파이썬 학습_2.ipynb

{"nbformat":4,"nbformat_minor":0,"metadata":{"colab":{"provenance":[],"toc_visible":true,"authorship_tag":"ABX9TyP7Wle1c39kYIRCyTe5xuak"},"kernelspec":{"name":"python3","display_name":"Python 3"},"language_info":{"name":"python"}},"cells":[{"cell_type":"code","execution_count":null,"metadata":{"id":"1kd7nWcBvm5L"},"outputs":[],"source":["# 연산과 구문"]},{"cell_type":"markdown","source":["# 산술 연산자"],"metadata":{"id":"beoY1b9avyya"}},{"cell_type":"code","source":["{'one':1} + {'two':2} #error\n","{5} + {6} #error"],"metadata":{"id":"lFxLkR4PwGyj"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["-2 * 2"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"jge2KD8AwiJf","executionInfo":{"status":"ok","timestamp":1694410898879,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"49579558-5614-4fcf-a02d-796c97088d9a"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["-4"]},"metadata":{},"execution_count":1}]},{"cell_type":"code","source":["-2 ** 2 # 음수가 나중에 붙는다 매우 주의"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"QeZLrl4gwoQ0","executionInfo":{"status":"ok","timestamp":1694410908344,"user_tz":-540,"elapsed":314,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3c06d0b5-d959-45ed-8bdf-825f3c616aeb"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["-4"]},"metadata":{},"execution_count":2}]},{"cell_type":"code","source":["7 - 4"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"2O3DuVsNwyJs","executionInfo":{"status":"ok","timestamp":1694410950832,"user_tz":-540,"elapsed":316,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"62dd5963-74af-40f9-eda1-18bba1473206"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["3"]},"metadata":{},"execution_count":3}]},{"cell_type":"code","source":["7 -- 4"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"rwraK70fw07R","executionInfo":{"status":"ok","timestamp":1694410958316,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"77c351dd-89c7-4295-e626-97c97896de6b"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["11"]},"metadata":{},"execution_count":4}]},{"cell_type":"code","source":["7 --- 4"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"lTznDjlhw3ex","executionInfo":{"status":"ok","timestamp":1694410967860,"user_tz":-540,"elapsed":281,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"4e4cc863-90c2-4da8-ebc7-7ce457de5839"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["3"]},"metadata":{},"execution_count":5}]},{"cell_type":"code","source":["7 ---- 4"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"B2Q22UZjw4__","executionInfo":{"status":"ok","timestamp":1694410977939,"user_tz":-540,"elapsed":332,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3eca8094-db87-4882-b73c-91e701c077cb"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["11"]},"metadata":{},"execution_count":6}]},{"cell_type":"code","source":["result = \"Ha\" * 3\n","print(result) # 결과: HaHaHa"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"QJLBM_icw8AT","executionInfo":{"status":"ok","timestamp":1694411077615,"user_tz":-540,"elapsed":437,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"38962629-f0fb-473a-da1a-155d6d09483b"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["HaHaHa\n"]}]},{"cell_type":"code","source":["result = [1, 2, 3] * 2\n","print(result)  # [1, 2, 3, 1, 2, 3]"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"iBDzjuxzxUvJ","executionInfo":{"status":"ok","timestamp":1694411117336,"user_tz":-540,"elapsed":287,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"af94393c-9715-4301-ec6f-eb8ad6869122"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["[1, 2, 3, 1, 2, 3]\n"]}]},{"cell_type":"code","source":["a = 10\n","b = 2\n","print(a / b) # 결과 5.0\n","print(a // b) # 결과 5 (javsscript // 주석이라 이 연산이 없다) 정말 많이 틀린다."],"metadata":{"id":"QgRyS_efxdzv"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# python에 // 는 몫이 아니라 내림이다.\n","\n","a = -5\n","b = 2\n","print(a // b)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"TSEzWFilx1My","executionInfo":{"status":"ok","timestamp":1694411266116,"user_tz":-540,"elapsed":300,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"71ea6804-af0a-4b3f-c6c0-89bd2f4f537b"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["-3\n"]}]},{"cell_type":"code","source":["z = 0\n","x / z # ZeroDivisionError 발생 에러코드 암기"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":203},"id":"7wHSJKblyWcF","executionInfo":{"status":"error","timestamp":1694411369521,"user_tz":-540,"elapsed":326,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"b777234b-75c2-4fdb-9ef5-9afd6d817f4e"},"execution_count":null,"outputs":[{"output_type":"error","ename":"NameError","evalue":"ignored","traceback":["\u001b[0;31m---------------------------------------------------------------------------\u001b[0m","\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)","\u001b[0;32m<ipython-input-10-f578c47dc372>\u001b[0m in \u001b[0;36m<cell line: 2>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0mz\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0mx\u001b[0m \u001b[0;34m/\u001b[0m \u001b[0mz\u001b[0m \u001b[0;31m# ZeroDivisionError 발생\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m","\u001b[0;31mNameError\u001b[0m: name 'x' is not defined"]}]},{"cell_type":"code","source":["10.123 // 1"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"Fv3xMDR01B3C","executionInfo":{"status":"ok","timestamp":1694412065600,"user_tz":-540,"elapsed":299,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"1be8f178-33d8-45bc-fce3-0b241af87f02"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["10.0"]},"metadata":{},"execution_count":11}]},{"cell_type":"code","source":["-10.123 // 1"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"birkBWk11FVd","executionInfo":{"status":"ok","timestamp":1694412134887,"user_tz":-540,"elapsed":304,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"1109c261-1e17-4037-c396-370cb1df6ea6"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["-11.0"]},"metadata":{},"execution_count":14}]},{"cell_type":"code","source":["a = 10\n","b = 3\n","divide = a / b\n","print(f'{a} ÷ {b} = {divide:.2f}')  # 결과: 10 ÷ 3 = 3.33"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"2lBOnOoEyeQh","executionInfo":{"status":"ok","timestamp":1694412188931,"user_tz":-540,"elapsed":288,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"cf490a78-0a6a-4c13-d070-e3db2a3ea923"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["10 ÷ 3 = 3.33\n"]}]},{"cell_type":"code","source":["a = 10\n","b = 3\n","divide = a / b\n","print(f'{a} ÷ {b} = {divide:.3f}')  # 결과: 10 ÷ 3 = 3.33"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"txBVvAVqyniO","executionInfo":{"status":"ok","timestamp":1694412197910,"user_tz":-540,"elapsed":329,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"15566766-6fdb-4b24-b3d7-e336b0e83c41"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["10 ÷ 3 = 3.333\n"]}]},{"cell_type":"code","source":["10 % 0 #ZeroDivisionError 발생"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":184},"id":"UbNBFfFK1mJl","executionInfo":{"status":"error","timestamp":1694412223051,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"b0a84f62-4af0-45e9-8eea-5585508b930b"},"execution_count":null,"outputs":[{"output_type":"error","ename":"ZeroDivisionError","evalue":"ignored","traceback":["\u001b[0;31m---------------------------------------------------------------------------\u001b[0m","\u001b[0;31mZeroDivisionError\u001b[0m                         Traceback (most recent call last)","\u001b[0;32m<ipython-input-17-b4eaad6685bc>\u001b[0m in \u001b[0;36m<cell line: 1>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;36m10\u001b[0m \u001b[0;34m%\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m","\u001b[0;31mZeroDivisionError\u001b[0m: integer division or modulo by zero"]}]},{"cell_type":"code","source":["10 % 3.3"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"GA02_j311wcr","executionInfo":{"status":"ok","timestamp":1694412255455,"user_tz":-540,"elapsed":300,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"49aba654-b138-4366-ffa5-b69790b4eaa6"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["0.10000000000000053"]},"metadata":{},"execution_count":18}]},{"cell_type":"code","source":["(100 % 33) / 10 # 소숫점 1자리까지 출력"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"nDOT49aL1zjG","executionInfo":{"status":"ok","timestamp":1694412290912,"user_tz":-540,"elapsed":342,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"c3543024-b44d-4ea1-9a01-bab84b8f6201"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["0.1"]},"metadata":{},"execution_count":19}]},{"cell_type":"code","source":["(1000 % 331) / 100 # 소숫점 2자리까지 출력"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"OruqM6qt18su","executionInfo":{"status":"ok","timestamp":1694412333241,"user_tz":-540,"elapsed":322,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"e16825c5-1627-42f5-fb97-af4909d13a85"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["0.07"]},"metadata":{},"execution_count":21}]},{"cell_type":"markdown","source":["# 비교연산"],"metadata":{"id":"50IUANF92dkI"}},{"cell_type":"code","source":["5 == '5' # false"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"24RsnIoE2h8V","executionInfo":{"status":"ok","timestamp":1694412503835,"user_tz":-540,"elapsed":296,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a9eb5d5d-b509-47a5-e0f4-623c6d6950ed"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["False"]},"metadata":{},"execution_count":22}]},{"cell_type":"code","source":["print('apple' < 'banana') # 앞글자부터 유니코드 기준으로 잡고 문자가 같으면 그때서 길이로 판단"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"RhOsNCkd2vBH","executionInfo":{"status":"ok","timestamp":1694412627814,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a353fb6a-49de-44b2-8529-9b6d00fbc4db"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["True\n"]}]},{"cell_type":"code","source":[],"metadata":{"id":"LlG_GsM33T_a"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["print('apple' < 'applee')"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"H_s8xOWe3CYi","executionInfo":{"status":"ok","timestamp":1694412625963,"user_tz":-540,"elapsed":422,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"5a0cf4a6-b771-4829-9ba0-07ad806d8764"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["True\n"]}]},{"cell_type":"code","source":["print([10, 20, 30, 35] < [10, 20, 30, 40])"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"zzyGWswr3Plr","executionInfo":{"status":"ok","timestamp":1694412688939,"user_tz":-540,"elapsed":281,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"09195209-c978-46ce-af19-88acb7f364ac"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["True\n"]}]},{"cell_type":"code","source":["print([10, 20, 30] < [10, 20, 30, 40])\n","print([10, 20, 35] < [10, 20, 30, 40])"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"PIov7nZE3dV9","executionInfo":{"status":"ok","timestamp":1694412745072,"user_tz":-540,"elapsed":293,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3c2685ab-5b17-4602-e18b-876176b2e0ea"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["True\n","False\n"]}]},{"cell_type":"code","source":["print('하하' > '후후') # 결과: False 유니코드값으로 비교"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"5c5nXCBJ3uHo","executionInfo":{"status":"ok","timestamp":1694412876214,"user_tz":-540,"elapsed":289,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"5d397d53-55bc-4423-f60d-aaf794088e2a"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["False\n"]}]},{"cell_type":"code","source":["x = 10\n","print(5 < x < 15) # 결과: True"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"kK3h1YDx3vOB","executionInfo":{"status":"ok","timestamp":1694412785704,"user_tz":-540,"elapsed":314,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"92d8175e-ea8b-45ef-81c5-f9209575e9fb"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["True\n"]}]},{"cell_type":"code","source":["x = 10\n","print(5 < x < 15) # 결과: True"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"x73_qNsa4CRH","executionInfo":{"status":"ok","timestamp":1694412845120,"user_tz":-540,"elapsed":286,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d21803ef-5f88-476e-8db4-58466a428db3"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["True\n"]}]},{"cell_type":"code","source":["x = 20\n","print(10 < x < 11) # 결과: false"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"hybQfrkW4EuD","executionInfo":{"status":"ok","timestamp":1694412870945,"user_tz":-540,"elapsed":311,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"eb1d13ce-15f4-4553-b26c-a9a368c9d00f"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["False\n"]}]},{"cell_type":"code","source":["class int(int):\n","    def __eq__(self, other):\n","        return True\n","\n","# 10 > 11\n","int('10') == int('11')"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"TBxC0Vh_4Op1","executionInfo":{"status":"ok","timestamp":1694412933410,"user_tz":-540,"elapsed":313,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"8ec8b6d3-b6a3-4cf7-e68f-87e4cd2f5e3e"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":32}]},{"cell_type":"markdown","source":["#논리연산자"],"metadata":{"id":"D23Xx4SS4cCB"}},{"cell_type":"code","source":["# and, or, not\n","\n","print(True and False) # false\n","print(True or True) # true\n","print(True or False) # true\n","print(True or True) # true"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"MlXzmgMg4fQj","executionInfo":{"status":"ok","timestamp":1694413200476,"user_tz":-540,"elapsed":396,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"1e2d5492-129c-4a42-e5f7-834f5c1cebdf"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["False\n","True\n","True\n","True\n"]}]},{"cell_type":"code","source":["x = True # 1\n","y = False # 0\n","\n","for i in range(101):\n","    if i % 3 == 0 and i % 5 == 0:\n","        print(i)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"vXrniGqr5Xgu","executionInfo":{"status":"ok","timestamp":1694413198717,"user_tz":-540,"elapsed":292,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3ec280a2-64e5-45d2-8009-3e6dd1fba4f5"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["0\n","15\n","30\n","45\n","60\n","75\n","90\n"]}]},{"cell_type":"code","source":["for i in range(101):\n","    if i % 3 == 0 and i % 5 == 0:\n","        print(i)\n","\n","for i in range(101):\n","    if i % 3 == 0:\n","        if i % 5 == 0:\n","            print(i)\n","\n","# 위 함수식은 다 같은거 if가 반복되는건 and로 묶을수 있다."],"metadata":{"id":"eQLolAEL5cpg"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# https://codingdojang.com/scode/350?answer_mode=hide\n","for i in range(101):\n","    if i % 3 == 0 or i % 5 == 0:\n","        print(i)"],"metadata":{"id":"S0ASJzPT6B4u"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["print(not True)  # 결과: False\n","print(not False) # 결과: True"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"0YQQ6CCl6WEe","executionInfo":{"status":"ok","timestamp":1694413487895,"user_tz":-540,"elapsed":318,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"c7ccc38c-2142-424e-9b74-3c0c7d61a49c"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["False\n","True\n"]}]},{"cell_type":"code","source":["# 여기서 부터는 나아가기 문제\n","\n","a = True\n","b = False\n","\n","a and b and ccc and ddd # 앞에서 이미 false값이 나오기에 뒤에 없는걸 해도 false\n","# 디버깅 할 때 조심 할 점!"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"wuVZSpNo6goO","executionInfo":{"status":"ok","timestamp":1694413705337,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"9769e85d-6e6b-40f2-fb3f-60e266f0a0ab"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["False"]},"metadata":{},"execution_count":43}]},{"cell_type":"code","source":["a = True\n","b = False\n","\n","a or b or eee or fff # 앞에서 이미 false값이 나오기에 뒤에 없는걸 해도 false\n","# 디버깅 할 때 조심 할 점!"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"J83IZ-5069-g","executionInfo":{"status":"ok","timestamp":1694413704293,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"37c8d198-ad3b-4425-cc72-7c58e243209d"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":42}]},{"cell_type":"code","source":["a = True\n","b = False\n","c = False\n","\n","a or b and c\n","\n","# 연산 우선순위\n","\n","\n","# 헷갈리면 ()로 괄호 해서 연산\n","\n","# x or y 우선순위 3\n","# x and y 우선순위 2\n","# not x 우선순위 1 (숫자가 낮은게 빨리실행)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"1l36Hnmu7KJn","executionInfo":{"status":"ok","timestamp":1694413892018,"user_tz":-540,"elapsed":284,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"4a70d9d1-d5b6-4c7b-ed66-f679f565bc9e"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":45}]},{"cell_type":"code","source":["a = True\n","b = False\n","c = False\n","d = True\n","\n","a and not b or c and d\n","# (a and (not b)) or (c and d) 순으로 연산"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"73DnziWY8YPm","executionInfo":{"status":"ok","timestamp":1694414035120,"user_tz":-540,"elapsed":341,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d2f88a62-836a-4fdc-e45f-59a7e2aadf80"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":47}]},{"cell_type":"code","source":["# 단락회로평가\n","a = 'hello'\n","b = 'world'\n","\n","a or b # a가 true면 뒤 b값은 볼 필요가 없으므로 'hello'만 표기"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"Nu-9Droo7M-_","executionInfo":{"status":"ok","timestamp":1694414205757,"user_tz":-540,"elapsed":319,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"97952dd6-0f40-42a5-c5d5-9b28cba27852"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'hello'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":49}]},{"cell_type":"code","source":["a = ''\n","b = 'world'\n","\n","a or b # b가 true라서 'world'만 표기"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"A948pUCE93NI","executionInfo":{"status":"ok","timestamp":1694415531892,"user_tz":-540,"elapsed":288,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"f27e09e0-561d-4c05-d5b7-1aa3cb2ba2f7"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'world'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":60}]},{"cell_type":"code","source":["username = '하이'\n","\n","username = username or '노이름'\n","username\n"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"kl4j2YGY9fkh","executionInfo":{"status":"ok","timestamp":1694414332370,"user_tz":-540,"elapsed":292,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"57cc7dcc-8118-42cb-92cb-ed1d49477419"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'하이'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":51}]},{"cell_type":"code","source":["username = ''\n","\n","username = username or '노이름'\n","username"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"m6b49Hem9xP6","executionInfo":{"status":"ok","timestamp":1694414350229,"user_tz":-540,"elapsed":303,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3fb0982b-c3f3-48b0-c866-4c0e4f42bee0"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'노이름'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":52}]},{"cell_type":"code","source":["# result = functinonA() or functinonB()\n","# 앞에 값이 None이나 0이 아니라면 뒤에 값에 result를 만들겠다는 말"],"metadata":{"id":"ItFHZ7pi9_Xz"},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":["# 할당연산"],"metadata":{"id":"YLDDRFXX-gJE"}},{"cell_type":"code","source":["x = 10\n","y = 20 # = 가 가장 마지막 연산"],"metadata":{"id":"VvLHfaRT-iSr"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["x = x + 1"],"metadata":{"id":"6D6iFDGc_E5G"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["x += 1\n","x -= 1"],"metadata":{"id":"HBgNr88U_Hh0"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["x *= 1\n","x **= 1\n","x /= 1\n","x //= 1\n","x %= 1"],"metadata":{"id":"d1t_DvK8_Qcy"},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":["# id 연산자, is 연산자, is not 연산자"],"metadata":{"id":"-FvsjYCV_kV8"}},{"cell_type":"code","source":["a = 10000\n","b = 10000\n","\n","a is b"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"XGn-_bxD_mTn","executionInfo":{"status":"ok","timestamp":1694414918768,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"e26fe597-a7b8-4681-990d-0ef5231f8b0a"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["False"]},"metadata":{},"execution_count":55}]},{"cell_type":"code","source":["id(a), id(b)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"kDt6yyAl_r5B","executionInfo":{"status":"ok","timestamp":1694414933778,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"fc7bfd5d-5615-4f48-f719-91a1268cbd32"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["(132190910106352, 132190910116624)"]},"metadata":{},"execution_count":56}]},{"cell_type":"code","source":["a = [1, 2, 3]\n","b = [1, 2, 3]\n","\n","a is b"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"LPWopwScACRL","executionInfo":{"status":"ok","timestamp":1694415011825,"user_tz":-540,"elapsed":383,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"8794ca1a-7b64-4b17-c2bb-9a80227feca1"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["False"]},"metadata":{},"execution_count":58}]},{"cell_type":"code","source":["id(a), id(b)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"7-a7vPU4ATvR","executionInfo":{"status":"ok","timestamp":1694415015703,"user_tz":-540,"elapsed":310,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"01961978-b564-4353-fc38-293dd5a4da1b"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["(132190913124800, 132190920656448)"]},"metadata":{},"execution_count":59}]},{"cell_type":"code","source":["coffee_employee = \"Brand\"\n","orange_employee = \"Brand\"\n","\n","coffee_employee is orange_employee # 메모리 최적을 위해 짦고 같으면 값은 같은곳을 가리킨다. 단 길면 달라짐."],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"ptYa4huQwSHg","executionInfo":{"status":"ok","timestamp":1694477938978,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"b616700a-ddcc-40f6-cfcf-b1222ea1877a"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":2}]},{"cell_type":"code","source":["a = [1, 2, 3]\n","b = [1, 2, 3]\n","c = a\n","\n","print('a == b', a == b)\n","print('a == c', a == c)\n","print('a is b', a is b)\n","print('a is c', a is c)\n","\n","# == 값이 같은것이고, is 는 주소 id값이 같은것이다"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"R9NHClhhw2hY","executionInfo":{"status":"ok","timestamp":1694478074750,"user_tz":-540,"elapsed":423,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"dec68a0c-e247-4d98-efb4-4b9d98380405"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["a == b True\n","a == c True\n","a is b False\n","a is c True\n"]}]},{"cell_type":"markdown","source":["# in 구문"],"metadata":{"id":"Fg0OTJnkxDuP"}},{"cell_type":"code","source":["# is는 is not이고 in은 not in입니다.\n","10 in [10, 20, 30]"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"mIu3WV4GxDFO","executionInfo":{"status":"ok","timestamp":1694478410027,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"7656caa6-92c9-4907-b016-f1c41f4e84ad"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":2}]},{"cell_type":"code","source":["'h' in 'hello world'"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"FvF63zBIyK41","executionInfo":{"status":"ok","timestamp":1694478421347,"user_tz":-540,"elapsed":435,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"1f2b1e4e-9e18-4856-f7f2-551e6f6256e4"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":3}]},{"cell_type":"code","source":["'world' in 'hello world'"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"QgzV3IyUyNCz","executionInfo":{"status":"ok","timestamp":1694478445210,"user_tz":-540,"elapsed":415,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3b2a7f4f-370d-4920-f318-23c76685ce78"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":4}]},{"cell_type":"code","source":["'hell' not in 'hello world'"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"TwSdenOryTAx","executionInfo":{"status":"ok","timestamp":1694478469090,"user_tz":-540,"elapsed":512,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a3adafce-6246-4451-eee7-8bf19e043eab"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["False"]},"metadata":{},"execution_count":5}]},{"cell_type":"code","source":["wolf' not in 'hello world'"],"metadata":{"id":"842Ahi6wybvN"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["a = {'key1': 'value1', 'key2': 'value2'} #딕셔너리\n","b = {10, 10, 20}\n","10 in b # 출력: True 기억!\n","{10} in b # 출력: False, 주의\n","{10, 20} in b # 출력: False, 주의\n","\n","'key' in a # 출력: True 기억!\n","'value' in a # 출력: False\n","('key1', 'key2') in a # 출력: False\n","# {'key1':'value1'} in a # error\n"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"Huh9OmGYycTG","executionInfo":{"status":"ok","timestamp":1694478607532,"user_tz":-540,"elapsed":423,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3b5e708a-1ec8-46fa-d032-dd8ca4a896ba"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["False"]},"metadata":{},"execution_count":9}]},{"cell_type":"code","source":["'value1' in a.values()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"GWuPJYbhyqUP","executionInfo":{"status":"ok","timestamp":1694478628921,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"7bd6abf4-eb2f-4ac2-ecc6-443964335c30"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":11}]},{"cell_type":"markdown","source":["# 연산자 우선순위"],"metadata":{"id":"FM3_IyITznHP"}},{"cell_type":"code","source":["-2 ** 2"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"s9zxvFrozqSM","executionInfo":{"status":"ok","timestamp":1694478814930,"user_tz":-540,"elapsed":409,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"952f60da-204a-4674-ab22-54900b898dec"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["-4"]},"metadata":{},"execution_count":12}]},{"cell_type":"code","source":["((True * True) and (True + False))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"7_UZ5oYIz6GH","executionInfo":{"status":"ok","timestamp":1694478906062,"user_tz":-540,"elapsed":457,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"dd126cf7-7030-4d91-e6e0-ebdb9fbc131b"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["1"]},"metadata":{},"execution_count":13}]},{"cell_type":"code","source":["a = 10\n","a += 10 * 100\n","a"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"EMw3yBqn0UnW","executionInfo":{"status":"ok","timestamp":1694479000598,"user_tz":-540,"elapsed":409,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"860801a5-8685-4f70-f7a5-52a0b172d6f3"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["1010"]},"metadata":{},"execution_count":14}]},{"cell_type":"code","source":["# 복합 할당 연산자가 가장 나중에 연산\n","a = 10\n","a *= 10 + 100\n","a"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"6vFzmpYi0hLy","executionInfo":{"status":"ok","timestamp":1694479037743,"user_tz":-540,"elapsed":425,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"ade8f3dd-0445-41d4-ef6b-b607b300cd26"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["1100"]},"metadata":{},"execution_count":15}]},{"cell_type":"code","source":["# a가 30이 될꺼 같지만 오류나는 문법\n","a = 10\n","a = a += 20"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":147},"id":"Gvc4unI206rG","executionInfo":{"status":"error","timestamp":1694479160145,"user_tz":-540,"elapsed":450,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a2532c87-0ab5-4c37-8319-b6164967ee18"},"execution_count":null,"outputs":[{"output_type":"error","ename":"SyntaxError","evalue":"ignored","traceback":["\u001b[0;36m  File \u001b[0;32m\"<ipython-input-16-e9cae8b24200>\"\u001b[0;36m, line \u001b[0;32m2\u001b[0m\n\u001b[0;31m    a = a += 20\u001b[0m\n\u001b[0m          ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid syntax\n"]}]},{"cell_type":"markdown","source":["# 연습문제"],"metadata":{"id":"6RCcMHU0EpOz"}},{"cell_type":"code","source":["# 문제 1\n","x = 3\n","y = 5\n","result = (isinstance(x, int) and isinstance(y, int))\n"," # 여기에 논리연산자를 더 붙여 두 수를 더하는 코드를 만들어보세요.\n","result # 8이 출력되어야 합니다."],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"IL86meT5Es4o","executionInfo":{"status":"ok","timestamp":1694417217157,"user_tz":-540,"elapsed":331,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"b4e3a799-776b-48a9-e928-949cf949fbbd"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":3}]},{"cell_type":"code","source":["# 문제 2\n","#다음 출력값은 무엇일까요? 왜 그러한가요?\n","print('hello' < 'hell o')\n","print([10, 20, 30] < [10, 19, 100])\n","print(10 % 3.3 == 0.1)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"eYlojpJFFu14","executionInfo":{"status":"ok","timestamp":1694417233738,"user_tz":-540,"elapsed":1,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"8807036a-62be-4fe7-c5e9-95b31ae4d18f"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["False\n","False\n","False\n"]}]},{"cell_type":"code","source":["# 문제 3\n","#어떤 이메일을 쓰고 있는지 출력하는 코드를 작성해주세요.\n","email2 = 'abc@gmail.com' # gmail\n","email3 = 'abc@naver.com' # naver\n","email4 = 'abc@weniv.co.kr' # weniv\n","email5 = 'li.cat@weniv.co.kr' # weniv"],"metadata":{"id":"5d8eQnRLGf9H"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 문제 1 답\n","\n","x = 3\n","y = 5\n","result = (isinstance(x, int) and isinstance(y, int)) and (x + y)\n","# result = (x + y) or (isinstance(x, int) and isinstance(y, int)) 위와 같음\n","print(result)  # 출력: 8"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"1Elb2xExGHh-","executionInfo":{"status":"ok","timestamp":1694418342572,"user_tz":-540,"elapsed":346,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a8aa1ec2-058b-4b69-d7c4-f4c638ae9179"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["8\n"]}]},{"cell_type":"code","source":["lst = []\n","if lst and lst[0] > 3:\n","    print(\"리스트의 첫 번째 원소는 3보다 큽니다.\")"],"metadata":{"id":"9YzeTJfHdNTl"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 문제 2 답\n","\n","print('hello' < 'hell o')\n","# 'hell' 까지는 유니코드가 같지만, 'o' 와 '공백'에서 유니코드값이  'o' > '공백'이기에 False가 됩니다.\n","print([10, 20, 30] < [10, 19, 100])\n","# [10, 20, 30]과 [10, 19, 100]에서  10 = 10, 20 > 19, 30 < 100의 관계이므로 두번째에서 이미 20 > 19으로 False값이 되므로 False값이 됩니다.\n","print(10 % 3.3 == 0.1)\n","# print(10 % 3.3)의 값이 0.10000000000000053 이므로 (10 % 3.3) > 0.1이기에 print(10 % 3.3 == 0.1) 부동소수점 차이로 False값이 됩니다.\n","\n","# 전부 False 입니다."],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"gK7_DO53ISsr","executionInfo":{"status":"ok","timestamp":1694417314426,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3c3d7895-8379-4adc-d607-7472b735fc6e"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["False\n","False\n","False\n"]}]},{"cell_type":"code","source":["# 문제 3 답\n","\n","email2 = 'abc@gmail.com' # gmail\n","email3 = 'abc@naver.com' # naver\n","email4 = 'abc@weniv.co.kr' # weniv\n","email5 = 'li.cat@weniv.co.kr' # weniv\n","\n","# email2.split('@')[-1].split('.')[0]\n","# email3.split('@')[-1].split('.')[0]\n","# email4.split('@')[-1].split('.')[0]\n","# email5.split('@')[-1].split('.')[0]\n","\n","email2[email2.rindex('@')+1:].rsplit('.')[0]\n","email3[email3.rindex('@')+1:].rsplit('.')[0]\n","email4[email4.rindex('@')+1:].rsplit('.')[0]\n","email5[email5.rindex('@')+1:].rsplit('.')[0]"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"TioKtIklJF-e","executionInfo":{"status":"ok","timestamp":1694421453467,"user_tz":-540,"elapsed":297,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"496e3e15-2128-49a0-e486-416646b5bc3a"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'weniv'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":9}]},{"cell_type":"code","source":["# 질의응답\n","print([10, 20, 30] < [10, 20, 100])\n","# 이것이 왜 순서대로 비교를 할까?\n","# 10과 10을 비교했을 때 False가 나왔다면 그대로 False 출력하면 되는 것 아닐까?\n","# [1, 2, 3] == [1, 2, 3]과 같이 사용자 편의를 고려한 것입니다.\n","# print([10, 20, 30] < [10, 20, 100])\n","# print(x[0] > y[0])"],"metadata":{"id":"VFwQXGzDcDFI"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 그리디 알고리즘 문제\n","# 10000원 짜리를 들고와서 1500원 월드콘을 사먹었다. 거스름돈을 가장 적게 줄 수 있는 코드 만들어주세요.\n","\n","거스름돈 = 10000 - 1500\n","print(거스름돈 // 5000, '5000원')\n","거스름돈 = 8500 % 5000\n","\n","print(거스름돈 // 1000, '1000원')\n","거스름돈 = 거스름돈 % 1000\n","\n","print(거스름돈 // 500, '500원')\n","거스름돈 = 거스름돈 % 500\n","\n","print(거스름돈 // 100, '100원')\n","거스름돈 = 거스름돈 % 100"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"FDLO7b-K1Um1","executionInfo":{"status":"ok","timestamp":1694479738068,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"ae8624b9-b186-4a72-935f-fb14771a60dd"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["1 5000원\n","3 1000원\n","1 500원\n","0 100원\n"]}]},{"cell_type":"markdown","source":["# 함수"],"metadata":{"id":"hrK594l03ch2"}},{"cell_type":"code","source":["def 부지매입():\n","    pass\n","\n","def 설계도면작성():\n","    pass\n","\n","def 인력모집():\n","    pass\n","\n","def 벽돌쌓기():\n","    pass\n","\n","def 지붕올리기():\n","    pass\n","\n","부지매입()\n","설계도면작성()\n","인력모집()\n","벽돌쌓기()\n","지붕올리기()\n","\n","# 함수를 묶어서 코딩 해야 나중에 유지보수 및 수정할때 용의하다"],"metadata":{"id":"XU-2lkgS3eO3"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["#들여쓰기\n","# print와 return은 헷갈리면 안된다.\n","def printnum(): #함수의 정의\n","    print('1')\n","    print('2')\n","    print('3')\n","    # return None 기억하기!!!\n","\n","a = printnum() #함수의 호출\n","print(a)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"e-7CZ9Pr511I","executionInfo":{"status":"ok","timestamp":1694480553232,"user_tz":-540,"elapsed":571,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"bb48124d-8c21-473a-f237-dd2b71a96370"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["1\n","2\n","3\n","None\n"]}]},{"cell_type":"code","source":["# 함수의 종료 구분은 들여쓰기 기준이며\n","# return으로도 구분이 됩니다.\n","def printnum():\n","    print('1')\n","    print('2')\n","print('3') # 들여쓰기\n","# printnum()\n","print(printnum())"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"TrKhWNIh69Gp","executionInfo":{"status":"ok","timestamp":1694480850362,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"bfc46599-57b4-4eaa-a67f-b39e04995b50"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["3\n","1\n","2\n","None\n"]}]},{"cell_type":"code","source":["# 함수의 종료 구분은 들여쓰기 기준이며\n","# return으로도 구분이 됩니다.\n","def printnum():\n","    print('1')\n","    return\n","    print('2')\n","print('3') # 들여쓰기\n","# printnum()\n","print(printnum())"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"4GIk0s_0_UFm","executionInfo":{"status":"ok","timestamp":1694481875751,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d42f2e5a-1fa4-4578-8143-c46730f4e61a"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["3\n","1\n","None\n"]}]},{"cell_type":"code","source":["# 출력값이 다르다는 것은 꼭 기억해주세요!\n","print(type(printnum)) # __str__ 출력\n","type(printnum) # __repr__ 출력\n","\n","dir(printnum)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"Ag9vulAu7fBE","executionInfo":{"status":"ok","timestamp":1694480925216,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"541f9094-618e-41d7-8d6a-967538895b65"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["<class 'function'>\n"]},{"output_type":"execute_result","data":{"text/plain":["['__annotations__',\n"," '__builtins__',\n"," '__call__',\n"," '__class__',\n"," '__closure__',\n"," '__code__',\n"," '__defaults__',\n"," '__delattr__',\n"," '__dict__',\n"," '__dir__',\n"," '__doc__',\n"," '__eq__',\n"," '__format__',\n"," '__ge__',\n"," '__get__',\n"," '__getattribute__',\n"," '__globals__',\n"," '__gt__',\n"," '__hash__',\n"," '__init__',\n"," '__init_subclass__',\n"," '__kwdefaults__',\n"," '__le__',\n"," '__lt__',\n"," '__module__',\n"," '__name__',\n"," '__ne__',\n"," '__new__',\n"," '__qualname__',\n"," '__reduce__',\n"," '__reduce_ex__',\n"," '__repr__',\n"," '__setattr__',\n"," '__sizeof__',\n"," '__str__',\n"," '__subclasshook__']"]},"metadata":{},"execution_count":28}]},{"cell_type":"code","source":["# None은 출력되지 않는다.\n","a = None\n","a"],"metadata":{"id":"Ly_c3OC1TKCW"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 파선아실\n","def function(x, y): # (x, y) 파라미터 선언할떄\n","    z = x + y\n","    return z\n","print('function(5, 7 )=', function(5, 7)) # function(5, 7) 아규먼트 실행할때"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"b-fNoVO37xwf","executionInfo":{"status":"ok","timestamp":1694481015031,"user_tz":-540,"elapsed":1,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d324f561-41d8-41f2-8c7c-b2c8452c711f"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["function(5, 7 )= 12\n"]}]},{"cell_type":"code","source":["# 함수 안에 함수\n","def f():\n","    def ff():\n","        return 100\n","    x = ff()\n","    return x\n","\n","f()\n","# ff()\n","# 함수 내부에서 선언한 변수와 함수 내부에서 선언된 함수는 밖에서 호출할 수 없다."],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"jXC1Qc8g9ISU","executionInfo":{"status":"ok","timestamp":1694481317883,"user_tz":-540,"elapsed":511,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"7fc14881-2f02-41b5-b3c8-baa8202a7472"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["100"]},"metadata":{},"execution_count":32}]},{"cell_type":"code","source":["# 함수를 아규먼트로 전달\n","\n","def f(a, b):\n","    return a + b\n","\n","def ff(a):\n","    return a(10, 20)\n","\n","ff(f)\n","\n","#"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"0hPqBo1z9akw","executionInfo":{"status":"ok","timestamp":1694481428252,"user_tz":-540,"elapsed":565,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"240e0973-2e70-43b1-d898-b03771a2b355"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["30"]},"metadata":{},"execution_count":33}]},{"cell_type":"code","source":["# def f():\n","#     pass\n","\n","# def f():\n","#     pass\n","#     return None\n","\n","def f():\n","    pass # pass는 종료가 아니라 없는 놈 취급 그럼 pass를 왜 쓰는가?\n","    print(10)\n","\n","f()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"VUj1KbXq95-W","executionInfo":{"status":"ok","timestamp":1694481544978,"user_tz":-540,"elapsed":405,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"02b78d2a-24d4-48c8-aa92-fba0ec8608f9"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["10\n"]}]},{"cell_type":"code","source":["# 이게 error가 나기 떄문에 pass 사용\n","# 앞으로 개발할 빈함수에 pass를 사용해서 표식\n","# return을 사용해도 되는데 왜 pass죠?\n","# 글자수도 2자 짧고, 타이핑이 빠르다. (속도감이 있다. 속도감은 python에서 중요)\n","\n","# def hit():\n","\n","# def move():\n","\n","# def heal():"],"metadata":{"id":"MiIntULP-am0"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 순서를 정해주면 섞어도 순서대로 출력\n","def f(a, b, c):\n","    print(a, b, c)\n","\n","# f() # error\n","# f(100, 10) # error\n","f(a=100, b=200, c=300)\n","f(c=300, a=100, b=200)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"JeQNQnWB_ted","executionInfo":{"status":"ok","timestamp":1694481968762,"user_tz":-540,"elapsed":435,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a548f520-5dae-4026-c578-8fecdd6fa2d0"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["100 200 300\n","100 200 300\n"]}]},{"cell_type":"code","source":["def f(a=10, b=20, c=30):\n","    print(a, b, c)\n","\n","f()\n","f(100, 10)\n","f(a=100, b=200, c=300)\n","f(c=300, a=100, b=200)"],"metadata":{"id":"F4Mp0lIPAjDR"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 기본값이 없는 것들은 앞에 배치해야 한다. (뒤에 배치하면 오류)\n","def f(a=10, b=20, c): # 이 코드는 가능하지 않습니다.\n","    print(a, b, c)\n","\n","def f(a, b=20, c=30): # 이 코드는 가능합니다.\n","    print(a, b, c)"],"metadata":{"id":"UiQottU3Ay4E"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["def f(a, b=20, c=30):\n","    print(a, b, c)\n","\n","# f() # error\n","# f(100, 10)\n","# f(a=100, b=200, c=300)\n","# f(c=300, a=100, b=200)\n","# f(c=300) # error"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"ivrd0d27BDT5","executionInfo":{"status":"ok","timestamp":1694482376801,"user_tz":-540,"elapsed":409,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3bbda3ab-2431-43af-dba7-5e7e322a0238"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["100 10 30\n"]}]},{"cell_type":"code","source":["# 연습문제\n","\n","# a와 b를 더한 값과 a와 b를 뺸 값을 곱하는 함수를 만들어라.\n","\n","a = 2\n","b = 3\n","\n","#(2+3) * (2-3) = -5 출력\n","\n","#조건1: a가 입력되지 않으면 0 입력\n","#조건2: b가 입력되지 않으면 0 입력"],"metadata":{"id":"KUcVE_slBbZ0"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 해답 1\n","def f(a=0, b=0):\n","    return (a+b) * (a-b)\n","print(f(a, b))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"IGbArJgNCkT0","executionInfo":{"status":"ok","timestamp":1694482797234,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"8e3bc8ea-6bfd-4ddb-9f43-84ed31a2e4ba"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["-5\n"]}]},{"cell_type":"code","source":["# 해답 2\n","a = 2\n","b = 3\n","\n","def multiple (x=0,y=0):\n","    return x * y\n","\n","def plus (x=0,y=0):\n","    return x + y\n","\n","def minus (x=0,y=0):\n","    return x - y\n","\n","multiple(plus(a,b),minus(a,b))"],"metadata":{"id":"Jkx7e53rDki4"},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":["## 지역변수와 전역변수"],"metadata":{"id":"4B-irZd7TQ01"}},{"cell_type":"code","source":["def f():\n","    inner_value = 100\n","\n","print(inner_value)\n","# 이 코드는 에러"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":239},"id":"dIob0ZbJD5kx","executionInfo":{"status":"error","timestamp":1694483315692,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"0176fbd6-727e-4a1a-a8f4-976019ecaae2"},"execution_count":null,"outputs":[{"output_type":"error","ename":"NameError","evalue":"ignored","traceback":["\u001b[0;31m---------------------------------------------------------------------------\u001b[0m","\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)","\u001b[0;32m<ipython-input-44-628dedf86433>\u001b[0m in \u001b[0;36m<cell line: 5>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      3\u001b[0m     \u001b[0minner_value\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m100\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      4\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 5\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0minner_value\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      6\u001b[0m \u001b[0;31m# 이 코드는\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n","\u001b[0;31mNameError\u001b[0m: name 'inner_value' is not defined"]}]},{"cell_type":"code","source":["x = 100\n","def f():\n","    print(x)\n","\n","f()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"KyN5Z2hGENeD","executionInfo":{"status":"ok","timestamp":1694483170421,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"5de6b33e-18a6-4ed9-d3e7-19198556e61f"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["100\n"]}]},{"cell_type":"code","source":["x = 100\n","def f():\n","    y = x + x\n","    return y\n","\n","f()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"MKxnFSWIEUqg","executionInfo":{"status":"ok","timestamp":1694483207365,"user_tz":-540,"elapsed":397,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"c1ff72db-44c4-4816-d6fc-de6d734c6809"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["200"]},"metadata":{},"execution_count":42}]},{"cell_type":"code","source":["x = 100\n","def f():\n","    x = 200\n","    return x\n","\n","f()\n","print(x)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"eA0Pk7HAEdmc","executionInfo":{"status":"ok","timestamp":1694483244962,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a7d2b808-eb6f-466d-cf1d-c4199d85dc19"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["100\n"]}]},{"cell_type":"markdown","source":["## global"],"metadata":{"id":"JL1bOd8MTX38"}},{"cell_type":"code","source":["# global : 밖에 있는 값을 땡길 때 사용하지만 실무에선 사용 안함\n","# 함수가 더러워지고 밖에서 선언한 함수값에도 영향\n","a = 100\n","def f():\n","    global a\n","    a = a + 1\n","f()\n","a"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"ldtsXY1UE56Z","executionInfo":{"status":"ok","timestamp":1694483937573,"user_tz":-540,"elapsed":1,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"58b8f670-5440-48df-c33b-890ca111daf7"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["101"]},"metadata":{},"execution_count":48}]},{"cell_type":"code","source":["a = 100\n","def f():\n","    a = a + 1 # error\n","    return a\n","f()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":349},"id":"38mNfz9dH8ja","executionInfo":{"status":"error","timestamp":1694484183161,"user_tz":-540,"elapsed":410,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"833a4e85-1dff-42fb-ccdc-7b3d8780d9ff"},"execution_count":null,"outputs":[{"output_type":"error","ename":"UnboundLocalError","evalue":"ignored","traceback":["\u001b[0;31m---------------------------------------------------------------------------\u001b[0m","\u001b[0;31mUnboundLocalError\u001b[0m                         Traceback (most recent call last)","\u001b[0;32m<ipython-input-49-98b2825ff810>\u001b[0m in \u001b[0;36m<cell line: 5>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      3\u001b[0m     \u001b[0ma\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0ma\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      4\u001b[0m     \u001b[0;32mreturn\u001b[0m \u001b[0ma\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 5\u001b[0;31m \u001b[0mf\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m","\u001b[0;32m<ipython-input-49-98b2825ff810>\u001b[0m in \u001b[0;36mf\u001b[0;34m()\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0ma\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m100\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      2\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0mf\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m     \u001b[0ma\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0ma\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      4\u001b[0m     \u001b[0;32mreturn\u001b[0m \u001b[0ma\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      5\u001b[0m \u001b[0mf\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n","\u001b[0;31mUnboundLocalError\u001b[0m: local variable 'a' referenced before assignment"]}]},{"cell_type":"code","source":["a = 100\n","def f():\n","    b = a + 1 # 실행된다\n","    return b\n","f()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"lTY7vW-YIUOT","executionInfo":{"status":"ok","timestamp":1694484249629,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"5d2a0b11-b9ae-49fd-c132-5c202f6fad71"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["101"]},"metadata":{},"execution_count":1}]},{"cell_type":"code","source":["# global을 하면 함수가 얼만큼 중첩되어 있던간에 최상단에 있는 a만 바라본다.\n","a = 10\n","def f():\n","    a = 100\n","    print(a)\n","    def ff():\n","        a = 1000\n","        print(a)\n","        def fff():\n","            a = 10000\n","            print(a)\n","        fff()\n","    ff()\n","f()\n","print(a)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"K7e3tq4aIju-","executionInfo":{"status":"ok","timestamp":1694484481522,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"611a8519-a92f-44b2-c727-c4d2a8e2c342"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["100\n","1000\n","1000\n","10\n"]}]},{"cell_type":"code","source":["# global을 사용하지 않고 중첩된 함수 내에서 a를 출력하면 바로 위의 함수의 a로 출력\n","a = 10\n","def f():\n","    a = 100\n","    print(a)\n","    def ff():\n","        a = 1000\n","        print(a)\n","        def fff():\n","            print(a)\n","        fff()\n","    ff()\n","f()\n","print(a)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"RxSZgGydJX8Q","executionInfo":{"status":"ok","timestamp":1694484507275,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"090a60a8-d0cc-46ea-f739-3febfac5fa39"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["100\n","1000\n","1000\n","10\n"]}]},{"cell_type":"code","source":["# nonlocal\n","a = 10\n","def f():\n","    a = 100\n","    print(f'f a: {a}')\n","    def ff():\n","        a = 1000\n","        print(f'ff a: {a}')\n","        def fff():\n","            nonlocal a\n","            a = 100\n","            print(f'fff a: {a}')\n","        fff()\n","        print(f'ff a: {a}')\n","    ff()\n","f()\n","print(f'global a: {a}')"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"RhUwC5gHJj5k","executionInfo":{"status":"ok","timestamp":1694484674368,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"0f841291-085e-4670-ffae-76998b235f27"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["f a: 100\n","ff a: 1000\n","fff a: 100\n","ff a: 100\n","global a: 10\n"]}]},{"cell_type":"markdown","source":["## 재귀함수"],"metadata":{"id":"zMtDV-GuKX1e"}},{"cell_type":"code","source":["#sys.setrecursionlimit -> 제한을 늘릴 수 있음\n","# 실행하면 무한실행\n","def 숫자출력():\n","    print(1)\n","    return 숫자출력()\n","숫자출력()"],"metadata":{"id":"bx2MsP6jKTX1"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["#sys.setrecursionlimit -> 제한을 늘릴 수 있음\n","def 숫자출력(count):\n","    if count > 100:\n","        return\n","    print(count)\n","    return 숫자출력(count+1) #값을 1부터 반복횟수 까지의 값을 출력\n","\n","숫자출력(1)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"N7tjuUDQKfmY","executionInfo":{"status":"ok","timestamp":1694484893955,"user_tz":-540,"elapsed":437,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"c77d3a31-a2a3-4bc4-8484-eb5211d54544"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["1\n","2\n","3\n","4\n","5\n","6\n","7\n","8\n","9\n","10\n","11\n","12\n","13\n","14\n","15\n","16\n","17\n","18\n","19\n","20\n","21\n","22\n","23\n","24\n","25\n","26\n","27\n","28\n","29\n","30\n","31\n","32\n","33\n","34\n","35\n","36\n","37\n","38\n","39\n","40\n","41\n","42\n","43\n","44\n","45\n","46\n","47\n","48\n","49\n","50\n","51\n","52\n","53\n","54\n","55\n","56\n","57\n","58\n","59\n","60\n","61\n","62\n","63\n","64\n","65\n","66\n","67\n","68\n","69\n","70\n","71\n","72\n","73\n","74\n","75\n","76\n","77\n","78\n","79\n","80\n","81\n","82\n","83\n","84\n","85\n","86\n","87\n","88\n","89\n","90\n","91\n","92\n","93\n","94\n","95\n","96\n","97\n","98\n","99\n","100\n"]}]},{"cell_type":"code","source":["# 재귀함수는 사용하지 말자 (주니어때)\n","# 위험하고 효율이 좋지 못함\n","# 반복문 <-> 재귀를 서로 상호호환 가능\n","# 반복문 사용하세요!"],"metadata":{"id":"IUZ169RiK7Mz"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 상식 수준에서 다음 재귀는 외우면 좋다.\n","# 1. 팩토리얼\n","# 2. 문자열 뒤집기\n","# 3. 피보나치"],"metadata":{"id":"4Iu79vUtLPyo"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 암기 해두자\n","def factorial(n):\n","    if n <= 1:\n","        return 1\n","    return n * factorial(n-1)\n","\n","factorial(5)\n","'''\n","# 함수 호출     return\n","# factorial(n)  n * factorial(n-1)\n","# factorial(5)  5 * factorial(4) ==  5 * 24\n","# factorial(4)  4 * factorial(3) ==  4 * 6\n","# factorial(3)  3 * factorial(2) ==  3 * 2\n","# factorial(2)  2 * factorial(1) ==  2 * 1\n","# factorial(1)  1\n","'''\n","# 거꾸로 연산 후 다시 아래로 연산\n","# 비효율적 연산"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"6rEjXqkTLfih","executionInfo":{"status":"ok","timestamp":1694485307149,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"0ce432e7-4f8d-4976-af42-a204f5e86ca4"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["120"]},"metadata":{},"execution_count":13}]},{"cell_type":"code","source":["s = 'hello world'\n","print(s[1:] + s[0])\n","s = s[1:]\n","\n","print(s[1:] + s[0])\n","s = s[1:]\n","\n","print(s[1:] + s[0])\n","s = s[1:]\n","\n","print(s[1:] + s[0])\n","s = s[1:]"],"metadata":{"id":"Xr18W6WYPCgw"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["def reversed_str(s):\n","    if len(s) <= 1:\n","        return s\n","    return reversed_str(s[1:]) + s[0]\n","\n","reversed_str('hello')\n","\n","'''\n","함수 호출                           return\n","reversed_str(s)                     reversed_str(s[1:]) + s[0]\n","reversed_str('hello')               reversed_str(s[1:]) + s[0] == 'olle' + 'h'\n","reversed_str(4) ==('ello')          reversed_str(s[1:]) + s[0] == 'oll' + 'e'\n","reversed_str(3) ==('llo')           reversed_str(s[1:]) + s[0] == 'ol' + 'l'\n","reversed_str(2) ==('lo')            reversed_str(s[1:]) + s[0] == 'o' + 'l'\n","reversed_str(1) ==('o')             'o' == 'o'\n","'''"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":72},"id":"KJq21r5YMewj","executionInfo":{"status":"ok","timestamp":1694486079425,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"73122548-35bf-4088-c5b5-31610a1d7231"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["\"\\n함수 호출               return\\nreversed_str(n)         reversed_str(s[1:]) + s[0]\\nreversed_str('hello')   reversed_str(s[1:]) + s[0]\\nreversed_str(4)         reversed_str(s[1:]) + s[0]\\nreversed_str(3)         reversed_str(s[1:]) + s[0]\\nreversed_str(2)         reversed_str(s[1:]) + s[0]\\nreversed_str(1)\\n\""],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":16}]},{"cell_type":"code","source":["n = 5\n","result = 1\n","for i in range(1, n+1):\n","    result *= i\n","result"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"aB4uNHshR7B1","executionInfo":{"status":"ok","timestamp":1694486822565,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"b340fc40-a4c3-41fb-8ab5-d4d9d6782b67"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["120"]},"metadata":{},"execution_count":17}]},{"cell_type":"code","source":["# 문자열 뒤집기\n","\n","s = 'hello'\n","result = ''\n","\n","for i in s:\n","    result = i + result\n","    print(result)\n","\n","result"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":127},"id":"T45ch7y6SRAV","executionInfo":{"status":"ok","timestamp":1694486921153,"user_tz":-540,"elapsed":3,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"07000185-39a0-4f1a-c0ae-dda43510c040"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["h\n","eh\n","leh\n","lleh\n","olleh\n"]},{"output_type":"execute_result","data":{"text/plain":["'olleh'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":18}]},{"cell_type":"markdown","source":["# 함수 나아가기"],"metadata":{"id":"iq0TgfFSSrse"}},{"cell_type":"code","source":["'hello world' .upper().replace(' ','').lower()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"koDRKhsQmkei","executionInfo":{"status":"ok","timestamp":1694492213045,"user_tz":-540,"elapsed":436,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"34bd176b-d3d0-4253-ef60-8c9de3e28657"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'helloworld'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":21}]},{"cell_type":"code","source":["'hello world'\\\n","        .upper()\\\n","        .replace(' ','')\\\n","        .lower()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"FYE7HY69m0wi","executionInfo":{"status":"ok","timestamp":1694492263163,"user_tz":-540,"elapsed":426,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"204d6673-f694-4b03-d230-3f894a9b55b9"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'helloworld'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":23}]},{"cell_type":"code","source":["'hello world'\\\n","        .upper()\\\n","        .replace(' ', '')\\\n","        .lower()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"HKz6Vl1QnDZw","executionInfo":{"status":"ok","timestamp":1694492351765,"user_tz":-540,"elapsed":458,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"f8c2d3b3-9320-4f56-f374-a602660269ad"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'helloworld'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":26}]},{"cell_type":"code","source":["# 여러개의 값 반환하기\n","\n","def f():\n","    a = 10\n","    b = 20\n","    c = 30\n","    return a, b, c\n","\n","f()"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"v-DuSEBtSqRH","executionInfo":{"status":"ok","timestamp":1694486993921,"user_tz":-540,"elapsed":1,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"952c5bb5-7fb2-4af2-c0f1-d6227609552d"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["(10, 20, 30)"]},"metadata":{},"execution_count":20}]},{"cell_type":"code","source":["print() # built-in finction\n","\n","def f(): # function\n","    pass\n","\n","# 여기서 print와 f는 변수\n","# 변수는 가리키는 것\n","\n","leehojun = print\n","leehojun('hello world')"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"9WOlzZ66SyGL","executionInfo":{"status":"ok","timestamp":1694492446346,"user_tz":-540,"elapsed":539,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"ce3bcd16-e899-41aa-f5c6-fafade02e043"},"execution_count":null,"outputs":[{"output_type":"stream","name":"stdout","text":["\n","hello world\n"]}]},{"cell_type":"code","source":["# 변수처럼 아래처럼 관리 할수 있다\n","\n","x = 10\n","y = 20\n","l = [x, y]\n","\n","def add(x, y):\n","    return x + y\n","\n","def sub(x, y):\n","    return x - y\n","\n","ll = [add, sub]\n","ll[0](10, 20) # add (10, 20)와 같다"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"iNAGUEb_ntmC","executionInfo":{"status":"ok","timestamp":1694492583836,"user_tz":-540,"elapsed":565,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"03d1d662-ddd5-437e-b03c-e97b89a59e0c"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["30"]},"metadata":{},"execution_count":28}]},{"cell_type":"code","source":["# lambda는 함수를 한줄로 사용 할때 그리고 휘발성 함수이다.\n","test = lambda x:x**2\n","test(10)\n","\n","def test2(x):\n","    return x ** 2"],"metadata":{"id":"dT5DZd4Gopj2"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 매우 중요\n","\n","add2 = lambda x, y:x + y\n","sub2 = lambda x, y:x + y\n","\n","add2(10, 20)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"9KL-Pg0EoO5v","executionInfo":{"status":"ok","timestamp":1694492666662,"user_tz":-540,"elapsed":441,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"8a7a09bf-419c-494a-ce50-060722bc06a4"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["30"]},"metadata":{},"execution_count":29}]},{"cell_type":"code","source":["x =  map(int, '1234')\n","\n","for i in x:\n","    print(i)\n","\n","for i in x:  # 더 이상 순회가 안된다.\n","    print(i)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":147},"id":"qT9_4P3fofTX","executionInfo":{"status":"error","timestamp":1694492819017,"user_tz":-540,"elapsed":4,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"c491bfa2-3e2c-4d33-9a0a-6db4c8191581"},"execution_count":null,"outputs":[{"output_type":"error","ename":"SyntaxError","evalue":"ignored","traceback":["\u001b[0;36m  File \u001b[0;32m\"<ipython-input-31-2c72bb7c2255>\"\u001b[0;36m, line \u001b[0;32m1\u001b[0m\n\u001b[0;31m    for i in map(int, '1234')\u001b[0m\n\u001b[0m                             ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m expected ':'\n"]}]},{"cell_type":"code","source":["x =  map(int, '1234')\n","# 1번째 수행 int('1')\n","# 2번째 수행 int('2')\n","# 3번째 수행 int('3')\n","# 4번째 수행 int('4')"],"metadata":{"id":"j5AU44I6pX22"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["list(map(int, '1234'))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"3YNpaMgGppYW","executionInfo":{"status":"ok","timestamp":1694492970122,"user_tz":-540,"elapsed":428,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a068139f-5b59-4eaa-a9be-4adf4a7e0fca"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[1, 2, 3, 4]"]},"metadata":{},"execution_count":32}]},{"cell_type":"code","source":["#map으로 사용하는 함수식은 굳이 재사용을 안하기에 휘발성으로 사용한다.\n","def f(x):\n","    return x * 2\n","\n","list(map(f, '1234'))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"RxoM8KaJpwhy","executionInfo":{"status":"ok","timestamp":1694493025438,"user_tz":-540,"elapsed":405,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"105c2abc-ec4c-4799-eee3-45c6ae3601b4"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["['11', '22', '33', '44']"]},"metadata":{},"execution_count":34}]},{"cell_type":"code","source":["#그래서 아래의 식처럼 lambda식으로 요약해서 쓴다.\n","\n","list(map(lambda x:x*2, '1234'))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"_dZFAmFwqag6","executionInfo":{"status":"ok","timestamp":1694493187748,"user_tz":-540,"elapsed":415,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"64de10dc-2e2f-4ebb-cad5-a0dddd81448c"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["['11', '22', '33', '44']"]},"metadata":{},"execution_count":38}]},{"cell_type":"markdown","source":["# built-in function 총집합"],"metadata":{"id":"Gmd5f95CsJ4l"}},{"cell_type":"code","source":["# 지금 함수식에서 중요하게 외워야 할 것들 (필수로 알아야 한다.)\n","\n","all\n","any\n","\n","breakpoint # 디버깅용으로 사용\n","\n","# 이 2개는 알고리즘 문제에서 사용\n","chr\n","ord\n","\n","map\n","filter\n","zip\n","\n","format\n","\n","len\n","\n","max\n","min\n","sum\n","\n","repr\n","print\n","\n","enumerate\n","range\n","\n","reversed\n","sorted"],"metadata":{"id":"gnjt3z9IqaZo"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["# 모두 다 True여야 True 반환\n","all ([True, True, True])\n","all ([True, True, False])\n","all ([1, 1, 1, 0])\n","all ([1, 0, 1, 0])\n","all ([1, 100, 10, -1])"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"KgSDFi-CseWJ","executionInfo":{"status":"ok","timestamp":1694493782198,"user_tz":-540,"elapsed":404,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"68d5a9f6-5bb0-499b-e7e0-28d048514eab"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["True"]},"metadata":{},"execution_count":39}]},{"cell_type":"code","source":["# 하나라도 True이면 True이다.\n","\n","any([True, False, False])\n","any([False, False, False])"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"SOh4c9TTsz0T","executionInfo":{"status":"ok","timestamp":1694493904635,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d79dbe57-33c6-4eb5-b8bd-3dad5037c284"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["False"]},"metadata":{},"execution_count":41}]},{"cell_type":"code","source":["# 10진수로 유니코드표에서 찾아 대응되는 값을 줌\n","\n","chr(65)\n","chr(96)\n","chr(54616)\n","# Z는 chr(90)이다 함정 문제로 잘 나옴"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"lOcnxPPGtSKf","executionInfo":{"status":"ok","timestamp":1694494126498,"user_tz":-540,"elapsed":473,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"28e82892-a063-414a-a476-cec079e2b8c3"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'하'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":48}]},{"cell_type":"code","source":["# 문자를 입력하면 유니코드레서 숫자로 출력\n","ord('a')\n","ord('하')"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"Dka-iVcgt62e","executionInfo":{"status":"ok","timestamp":1694494113865,"user_tz":-540,"elapsed":1068,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"00d4f49d-0245-4199-e3e8-2cd509add371"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["54616"]},"metadata":{},"execution_count":47}]},{"cell_type":"code","source":["# 유니코드 표에서 값 확인 = '하'\n","int('D558', 16)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"1DfDrX14uMXq","executionInfo":{"status":"ok","timestamp":1694494201475,"user_tz":-540,"elapsed":677,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d05a0100-0399-4402-dbfa-8e1a53fac17d"},"execution_count":null,"outputs":[{"output_type":"execute_result","data":{"text/plain":["54616"]},"metadata":{},"execution_count":49}]},{"cell_type":"code","source":["# 대문자는 소문자로, 소문자는 대문자로 바꾸는 코드를 만들어라\n","# 'weniv CEO licat' -> 'WENIV ceo LICAT'"],"metadata":{"id":"u5pai5hztZao"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["map(lambda x: x**2, [1, 2, 3, 4])\n","# 계산되기 전 object"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"vPIVPN_Ew5JS","executionInfo":{"status":"ok","timestamp":1694494898392,"user_tz":-540,"elapsed":410,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d76ea1fd-fcd7-4a49-e5b9-abd979e7eeab"},"execution_count":50,"outputs":[{"output_type":"execute_result","data":{"text/plain":["<map at 0x787d3c4d7040>"]},"metadata":{},"execution_count":50}]},{"cell_type":"code","source":["list(map(lambda x: x**2, [1, 2, 3, 4]))\n","# 계산된 값"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"F3w7Cm7FxTeC","executionInfo":{"status":"ok","timestamp":1694494980315,"user_tz":-540,"elapsed":687,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"33fa5a5e-1087-4e42-8c3e-ed9c7252910d"},"execution_count":51,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[1, 4, 9, 16]"]},"metadata":{},"execution_count":51}]},{"cell_type":"code","source":["list(filter(lambda x: x>10, [1, 2, 11, 12, 9, 6, 13]))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"VdF5oX8fxasA","executionInfo":{"status":"ok","timestamp":1694495052395,"user_tz":-540,"elapsed":411,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d4f80cb3-ade6-44bd-83d8-27870d7c2c57"},"execution_count":52,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[11, 12, 13]"]},"metadata":{},"execution_count":52}]},{"cell_type":"code","source":["def filter_function(x):\n","    return x > 10\n","\n","list(filter(filter_function, [1, 2, 11, 12, 9, 6, 13]))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"oCNiI6m1xqJ_","executionInfo":{"status":"ok","timestamp":1694495129636,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"1c843fe1-9f3a-446f-a80b-0deef3af6c28"},"execution_count":54,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[11, 12, 13]"]},"metadata":{},"execution_count":54}]},{"cell_type":"code","source":["list(zip('abc', '123457', [10, 20, 30]))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"V65qneWZx85A","executionInfo":{"status":"ok","timestamp":1694495242074,"user_tz":-540,"elapsed":416,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"9bcc0cdd-b316-4772-8608-33d9124f70dd"},"execution_count":57,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[('a', '1', 10), ('b', '2', 20), ('c', '3', 30)]"]},"metadata":{},"execution_count":57}]},{"cell_type":"code","source":["# zip은 좌표계로 응용된다.\n","# https://codingdojang.com/scode/408?answer_mode=hide\n","\n","s = [1, 3, 4, 8, 13, 17, 20]\n","\n","list(zip(s, s[1:]))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"S4RBa8cEyZod","executionInfo":{"status":"ok","timestamp":1694495457637,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"2460f3f8-c4cd-40ee-ee3a-f4c08fef1f2a"},"execution_count":60,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[(1, 3), (3, 4), (4, 8), (8, 13), (13, 17), (17, 20)]"]},"metadata":{},"execution_count":60}]},{"cell_type":"code","source":["sorted(zip(s, s[1:]), key=lambda x:x[1]-x[0])\n","# sorted(zip(s, s[1:]), key=lambda x:x[1]-x[0])[0] # 정답 코드"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"A6HZVG70y5Lh","executionInfo":{"status":"ok","timestamp":1694495617712,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"94cd66e6-da43-4f07-d503-3cf363def682"},"execution_count":63,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[(3, 4), (1, 3), (17, 20), (4, 8), (13, 17), (8, 13)]"]},"metadata":{},"execution_count":63}]},{"cell_type":"code","source":["# 자바스크립트에서 zip 을 응용한거\n","\n","# function zip(a, b){\n","#     return a.map((v, i) => [v, b[i]])\n","# }"],"metadata":{"id":"pBm9VrxAz5Wa"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["format(10000000, ',')"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"BGbRYqVo0GVP","executionInfo":{"status":"ok","timestamp":1694495732807,"user_tz":-540,"elapsed":441,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"5b13ffe5-bdf2-4c88-f63e-731ece9920fa"},"execution_count":64,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'10,000,000'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":64}]},{"cell_type":"code","source":["len('hello world')"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"AD7E6Ww90QQ4","executionInfo":{"status":"ok","timestamp":1694495754229,"user_tz":-540,"elapsed":412,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"3122dacf-abaf-4099-9763-28bf3a474fa3"},"execution_count":65,"outputs":[{"output_type":"execute_result","data":{"text/plain":["11"]},"metadata":{},"execution_count":65}]},{"cell_type":"code","source":["max([1, 2, 3, 4, 5])"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"8J8zUcw-0VY6","executionInfo":{"status":"ok","timestamp":1694495778031,"user_tz":-540,"elapsed":429,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"8bc779d1-0faf-48e8-d620-7c9c19f3c7be"},"execution_count":66,"outputs":[{"output_type":"execute_result","data":{"text/plain":["5"]},"metadata":{},"execution_count":66}]},{"cell_type":"code","source":["max([(1, 2), (3, 101), (1, 20), (3, 100)])\n","max(['hello', 'world', 'world1'])"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"suPP6bpf0nUf","executionInfo":{"status":"ok","timestamp":1694495936814,"user_tz":-540,"elapsed":430,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"2690d804-61ad-422f-bdf6-d113728c4627"},"execution_count":73,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'world1'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":73}]},{"cell_type":"code","source":["min([1, 2, 3, 4, 5])"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"7eHwIb6D0bYL","executionInfo":{"status":"ok","timestamp":1694495796672,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"d0ec4876-6dbf-4692-b61b-6bf941dcff83"},"execution_count":68,"outputs":[{"output_type":"execute_result","data":{"text/plain":["1"]},"metadata":{},"execution_count":68}]},{"cell_type":"code","source":["sum([1, 2, 3, 4, 5])"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"BrRERDeB0bQF","executionInfo":{"status":"ok","timestamp":1694495799024,"user_tz":-540,"elapsed":1,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"42bfda92-ac86-467d-fc54-523072158295"},"execution_count":69,"outputs":[{"output_type":"execute_result","data":{"text/plain":["15"]},"metadata":{},"execution_count":69}]},{"cell_type":"code","source":["sum([[1, 2], [3, 101], [1, 20], [3, 100]], [])\n","# [] + [1, 2]\n","# [1, 2] + [3, 101]\n","# [1, 2, 3, 101] + [1, 20]\n","# [1, 2, 3, 101, 1, 20] + [3, 100]"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"JXJrJEo31JS-","executionInfo":{"status":"ok","timestamp":1694496134463,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"8dbc6a7c-09ba-443e-c8a8-976983666c3b"},"execution_count":78,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[1, 2, 3, 101, 1, 20, 3, 100]"]},"metadata":{},"execution_count":78}]},{"cell_type":"code","source":["sum([[1, 2], [3, 101], [1, 20], [3, 100]]) # numpy나 pandas 사용하셔야 합니다."],"metadata":{"id":"-lzENoN91pjX"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["sum([1, 2, 3], 10)\n","# [1, 2, 3]안에 인덱스를 더하고서 + 10"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"N1B2qhkS1Sbr","executionInfo":{"status":"ok","timestamp":1694496030972,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"85c047d5-9dff-4a3f-a4cb-f52a21a466cc"},"execution_count":76,"outputs":[{"output_type":"execute_result","data":{"text/plain":["16"]},"metadata":{},"execution_count":76}]},{"cell_type":"code","source":["class Charactor:\n","    def __repr__(self):\n","        return 'hello'\n","    def __str__(self):\n","        return 'world'\n","\n","hero = Charactor()\n","print(hero)\n","hero"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"fZ9VqyWS1a8-","executionInfo":{"status":"ok","timestamp":1694496260756,"user_tz":-540,"elapsed":432,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"a98cd3a9-bf23-4b50-8614-310e225af81e"},"execution_count":80,"outputs":[{"output_type":"stream","name":"stdout","text":["world\n"]},{"output_type":"execute_result","data":{"text/plain":["hello"]},"metadata":{},"execution_count":80}]},{"cell_type":"code","source":["repr(hero)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/","height":35},"id":"C67i5di_2Rm7","executionInfo":{"status":"ok","timestamp":1694496275789,"user_tz":-540,"elapsed":431,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"6026a4ad-9ccd-4fcb-c9c4-3da354982ea6"},"execution_count":81,"outputs":[{"output_type":"execute_result","data":{"text/plain":["'hello'"],"application/vnd.google.colaboratory.intrinsic+json":{"type":"string"}},"metadata":{},"execution_count":81}]},{"cell_type":"code","source":["# 순위를 매기고 싶을때?\n","가수 = ['뉴진스', '르세라핌', '에스파', '아이브']\n","\n","print(list(enumerate(가수)))\n","print(list(enumerate(가수, 1)))\n","print(list(enumerate(가수, 100)))\n","\n","for i, j in enumerate(가수, 1):\n","    print(i, j)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"MY873mi32UmA","executionInfo":{"status":"ok","timestamp":1694496431735,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"0a45f2f1-5d47-4fed-df8b-f09378b760c9"},"execution_count":83,"outputs":[{"output_type":"stream","name":"stdout","text":["[(0, '뉴진스'), (1, '르세라핌'), (2, '에스파'), (3, '아이브')]\n","[(1, '뉴진스'), (2, '르세라핌'), (3, '에스파'), (4, '아이브')]\n","[(100, '뉴진스'), (101, '르세라핌'), (102, '에스파'), (103, '아이브')]\n","1 뉴진스\n","2 르세라핌\n","3 에스파\n","4 아이브\n"]}]},{"cell_type":"code","source":["type(print)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"2a8YR90L2643","executionInfo":{"status":"ok","timestamp":1694496469096,"user_tz":-540,"elapsed":445,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"eb03bab2-d98a-43de-d518-8fbe3b9cfb74"},"execution_count":84,"outputs":[{"output_type":"execute_result","data":{"text/plain":["builtin_function_or_method"]},"metadata":{},"execution_count":84}]},{"cell_type":"code","source":["type(enumerate)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"BC4C1Qax3EI1","executionInfo":{"status":"ok","timestamp":1694496486010,"user_tz":-540,"elapsed":419,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"31c0d5c8-4137-4d04-fc04-4c13316a6e2d"},"execution_count":85,"outputs":[{"output_type":"execute_result","data":{"text/plain":["type"]},"metadata":{},"execution_count":85}]},{"cell_type":"code","source":["type(max)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"VwY14GE13Iac","executionInfo":{"status":"ok","timestamp":1694496498659,"user_tz":-540,"elapsed":430,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"225e8c09-1f81-4ee1-f10f-3fbea7ce2574"},"execution_count":86,"outputs":[{"output_type":"execute_result","data":{"text/plain":["builtin_function_or_method"]},"metadata":{},"execution_count":86}]},{"cell_type":"code","source":["type(len)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"Z40aX3vM3KmT","executionInfo":{"status":"ok","timestamp":1694496512861,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"34c005ba-64b4-4951-b29c-fff3525e496c"},"execution_count":87,"outputs":[{"output_type":"execute_result","data":{"text/plain":["builtin_function_or_method"]},"metadata":{},"execution_count":87}]},{"cell_type":"code","source":["type(format)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"XUc53grq3N9w","executionInfo":{"status":"ok","timestamp":1694496523321,"user_tz":-540,"elapsed":409,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"74ed4904-986b-4b68-8483-331e356fd117"},"execution_count":88,"outputs":[{"output_type":"execute_result","data":{"text/plain":["builtin_function_or_method"]},"metadata":{},"execution_count":88}]},{"cell_type":"code","source":["type(range)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"q3lbXZUW3Qy6","executionInfo":{"status":"ok","timestamp":1694496533658,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"115114a0-03c0-44e4-ad1b-c523ac35012d"},"execution_count":89,"outputs":[{"output_type":"execute_result","data":{"text/plain":["type"]},"metadata":{},"execution_count":89}]},{"cell_type":"code","source":["type(zip)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"6D3p8QJH3Tf3","executionInfo":{"status":"ok","timestamp":1694496547035,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"f0a24b87-1d44-4a10-c719-89e92778a820"},"execution_count":90,"outputs":[{"output_type":"execute_result","data":{"text/plain":["type"]},"metadata":{},"execution_count":90}]},{"cell_type":"code","source":["type(map)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"Iz_QCa3m3WPP","executionInfo":{"status":"ok","timestamp":1694496555715,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"11a2a9c6-786f-4e62-a282-77e355877a4c"},"execution_count":91,"outputs":[{"output_type":"execute_result","data":{"text/plain":["type"]},"metadata":{},"execution_count":91}]},{"cell_type":"code","source":["type(filter)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"knJf1AzA3X_F","executionInfo":{"status":"ok","timestamp":1694496567978,"user_tz":-540,"elapsed":413,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"48d0df73-067c-4281-da22-cc399f14eb92"},"execution_count":92,"outputs":[{"output_type":"execute_result","data":{"text/plain":["type"]},"metadata":{},"execution_count":92}]},{"cell_type":"code","source":["type(int)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"ZlW4S5ga3by5","executionInfo":{"status":"ok","timestamp":1694496578408,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"fd0eb5df-5ff1-4327-93ca-8466f4f5b10d"},"execution_count":93,"outputs":[{"output_type":"execute_result","data":{"text/plain":["type"]},"metadata":{},"execution_count":93}]},{"cell_type":"code","source":["type(str)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"F-Zx5gVp3gCR","executionInfo":{"status":"ok","timestamp":1694496601243,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"9555689c-1ad2-4bbf-e16c-84a8b4a61e6f"},"execution_count":94,"outputs":[{"output_type":"execute_result","data":{"text/plain":["type"]},"metadata":{},"execution_count":94}]},{"cell_type":"code","source":["# range(start, stop, step) #슬라이싱과 비슷한 형태\n","print(range(10)) # 값을 가지고 있지 않는다\n","print(list(range(10)))\n","x = range(10)\n","print(type(x))\n","# range는 에러가 나와야 멈춘다 for문도 같다.\n","print(list(range(0, 10, 2)))\n","print(list(range(10, 0, -2)))\n","# print(list(range(10, 0, 2.1))) # error, numpy 모듈에서 가능\n","# print(list(range(10.1, 2.0, 2))) # error, numpy 모듈에서 가능\n","print(list(range(0, 10, -2)))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"aKqbERH_3y2Y","executionInfo":{"status":"ok","timestamp":1694496988688,"user_tz":-540,"elapsed":417,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"c2562c26-62fb-4029-c22a-3edbbd1b0f28"},"execution_count":101,"outputs":[{"output_type":"stream","name":"stdout","text":["range(0, 10)\n","[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]\n","<class 'range'>\n","[0, 2, 4, 6, 8]\n","[10, 8, 6, 4, 2]\n","[]\n"]}]},{"cell_type":"code","source":["# range와 그 외 값들에 대한 히스토리\n","# print(range(10)) #출력: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]\n","# 메모리\n","\n","# print(range(100000000000000000000000))\n","# 메모리 효율이 극도로 안좋아짐\n","\n","# 그런데 3.x에서 print(range(100000000000000000000000))는 메모리 효율이 안좋지 않는다.\n","# 시작과 끝, 스텝값만 가지고 있기 떄문에 메모리 낭비가 없다\n","\n","# 2.x에서도 3.x와 같은 range 타입이 있었다 = xrange 문법이 였는데 3.x에서 정식 range문법으로 채택\n","\n","# 2.x에서 사용가능 문법\n","# print(xrange(10)) # 출력: xrange(10)\n","# for i in xrange(10): # 출력: 순회 가능\n","#     print(i)"],"metadata":{"id":"hXAt2tTG5DUm"},"execution_count":null,"outputs":[]},{"cell_type":"code","source":["list(reversed('hello world'))\n","list(reversed([1, 2, 3, 10, 5, 4])) # 역 정렬 아닙니다! 역순입니다."],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"30OIiGM67W3f","executionInfo":{"status":"ok","timestamp":1694497731115,"user_tz":-540,"elapsed":529,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"98a246b0-fb6f-46c9-a773-cd52f1544911"},"execution_count":104,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[4, 5, 10, 3, 2, 1]"]},"metadata":{},"execution_count":104}]},{"cell_type":"code","source":["list(reversed(sorted([1, 2, 3, 10, 5, 4])))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"86y1aiUC76Ds","executionInfo":{"status":"ok","timestamp":1694497750109,"user_tz":-540,"elapsed":472,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"968b5c4c-0d3c-429e-ef26-7d9cc8221c8c"},"execution_count":105,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[10, 5, 4, 3, 2, 1]"]},"metadata":{},"execution_count":105}]},{"cell_type":"code","source":["list(sorted('hello world'))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"tjf0YXpy7oFi","executionInfo":{"status":"ok","timestamp":1694497824024,"user_tz":-540,"elapsed":428,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"7d636953-3608-4803-f56b-36721e53ca80"},"execution_count":106,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[' ', 'd', 'e', 'h', 'l', 'l', 'l', 'o', 'o', 'r', 'w']"]},"metadata":{},"execution_count":106}]},{"cell_type":"code","source":["# 매우 중요\n","# 알고리즘 문제에 단골 built-in function\n","list(sorted([1, 2, 100, 200, 3, 4, 10, 20], reverse=True))"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"aVSJ9scB7-Iu","executionInfo":{"status":"ok","timestamp":1694498611711,"user_tz":-540,"elapsed":426,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"1dd48f66-a782-46ff-dba4-1a7e92679719"},"execution_count":108,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[200, 100, 20, 10, 4, 3, 2, 1]"]},"metadata":{},"execution_count":108}]},{"cell_type":"code","source":["sorted(['hello', 'l', 'hllo', 'hel', 'heo', 'a'])\n","['a', 'hel', 'hello', 'heo', 'hllo', 'l']\n","\n","sorted(['hello', 'l', 'hllo', 'hel', 'heo', 'a'], key=len)\n","['l', 'a', 'hel', 'heo', 'hllo', 'hello']\n","# 위 코드는 sorted([5, 1, 4, 3, 3, 1])와 같습니다."],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"w0bu-2lG-2HN","executionInfo":{"status":"ok","timestamp":1694498823407,"user_tz":-540,"elapsed":413,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"fa49408d-981d-48be-caa4-db39eba63e26"},"execution_count":115,"outputs":[{"output_type":"execute_result","data":{"text/plain":["['l', 'a', 'hel', 'heo', 'hllo', 'hello']"]},"metadata":{},"execution_count":115}]},{"cell_type":"code","source":["sorted(['hello', 'l', 'hllo', 'hel', 'heo', 'a'], key=len)"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"43cR_TMNALWV","executionInfo":{"status":"ok","timestamp":1694498882927,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"8d01e0a8-826c-475c-9e5e-bcd96edf8719"},"execution_count":1,"outputs":[{"output_type":"execute_result","data":{"text/plain":["['l', 'a', 'hel', 'heo', 'hllo', 'hello']"]},"metadata":{},"execution_count":1}]},{"cell_type":"code","source":["data = [\n","    [2, 'hello world', 30],\n","    [3, 'hworl', 33],\n","    [5, 'hello wo', 35],\n","    [4, 'hello w', 31],\n","    [6, 'hello w', 39]\n","]\n","\n","# 1번쨰 문제: 첫 번째 요소의 값을 정렬\n","sorted(data)\n","\n","# [2, 'hello world', 30],\n","#  [3, 'hworl', 33],\n","#  [4, 'hello w', 31],\n","#  [5, 'hello wo', 35],\n","#  [6, 'hello w', 39]]\n","\n","# 2번째 문제: 두 번째 요소의 문자열 길이를 기준을 정렬\n","sorted(data, key=lambda x:len(x[1]))\n","\n","# [3, 'hworl', 33],\n","#  [4, 'hello w', 31],\n","#  [6, 'hello w', 39],\n","#  [5, 'hello wo', 35],\n","#  [2, 'hello world', 30]]\n","\n","# 3번째 문제: 세 번째 요소 기준으로 정렬\n","sorted(data, key=lambda x:x[2])\n","\n","# [2, 'hello world', 30],\n","#  [4, 'hello w', 31],\n","#  [3, 'hworl', 33],\n","#  [5, 'hello wo', 35],\n","#  [6, 'hello w', 39]]\n","\n","# 4번째 문제: 첫 번째 요소와 세 번째 요소의 차가 큰 순으로 출력\n","sorted(data, key=lambda x: x[0] - x[2])\n","\n","# 다른 답 sorted(data, key=lambda x: x[2]-x[0],reverse=True)\n","\n","# [6, 'hello w', 39],\n","#  [3, 'hworl', 33],\n","#  [5, 'hello wo', 35],\n","#  [2, 'hello world', 30],\n","#  [4, 'hello w', 31]]\n"],"metadata":{"colab":{"base_uri":"https://localhost:8080/"},"id":"3fYEKHc6AWS-","executionInfo":{"status":"ok","timestamp":1694499600214,"user_tz":-540,"elapsed":2,"user":{"displayName":"JINSUNG HA","userId":"05882533632542664044"}},"outputId":"45edd163-6f21-40bc-e340-5e15203a0366"},"execution_count":12,"outputs":[{"output_type":"execute_result","data":{"text/plain":["[[6, 'hello w', 39],\n"," [3, 'hworl', 33],\n"," [5, 'hello wo', 35],\n"," [2, 'hello world', 30],\n"," [4, 'hello w', 31]]"]},"metadata":{},"execution_count":12}]}]}