sets_collections_exercise.ipynb

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    "# Sets, Collections, & Exception Handling \n",
    "\n",
    "## Sets"
   ]
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    "* create a new empty set\n",
    "* print that set"
   ]
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    "* create a non empty set\n",
    "* print that set"
   ]
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   "source": [
    "* iterate over the set and print results"
   ]
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   "source": [
    "* add one item to the set"
   ]
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   "source": [
    "* add multiple items to the set"
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   "source": [
    "* remove an item from a set if it is present in the set"
   ]
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   "source": [
    "* find maximum and minimum values of the set"
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   "source": [
    "* print the length of the set"
   ]
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   "source": [
    "* create an intersection of x and y"
   ]
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   "source": [
    "* create an union of x and y"
   ]
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   "source": [
    "* create difference between x and y"
   ]
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   "source": [
    "---------------\n",
    "## Collections"
   ]
  },
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   "source": [
    "* for each word in a sentence count the occurence\n",
    "* **sentence:** *black cat jumped over white cat*"
   ]
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   "source": [
    "* print the most common words"
   ]
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   "source": [
    "* count the occurences of words in the same sentence but now use **defaultdict**"
   ]
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   "source": [
    "* create deque from list set used in first exercise"
   ]
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   "source": [
    "* append number 10 to deque"
   ]
  },
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   "source": [
    "* remove element from the right end from deque"
   ]
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   "source": [
    "* remove element from the left end from deque"
   ]
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    "* delete all elements from deque"
   ]
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    "* create named tuple (people) with name and surname as position names"
   ]
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    "* print name and surname"
   ]
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    "_________________\n",
    "## Exception handling\n",
    "Now, let's practice with **errors and exception handling**\n",
    "\n",
    "* Transform all string elements from a list to upper, if the element is not a string don't transform it.\n",
    "* Use a try & except block without using the 'if' statement."
   ]
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    "### We have created a function below:\n",
    "\n",
    "Luke Skywalker has family and friends. Help him remind himself the type of relation he has with his family and friends. \n",
    "\n",
    "Given a string with a name, return the relation of that person to Luke.\n",
    "\n",
    "**Person --> Relation**\n",
    "- Darth Vader --> father\n",
    "- Leia --> sister\n",
    "- Han --> brother in law\n",
    "- R2D2 --> droid\n",
    "\n",
    "#### Examples\n",
    "\n",
    "> relation_to_luke(\"Darth Vader\") ➞ \"Luke, I am your father.\"\n",
    ">\n",
    "> relation_to_luke(\"Leia\") ➞ \"Luke, I am your sister.\"\n",
    ">\n",
    "> relation_to_luke(\"Han\") ➞ \"Luke, I am your brother in law.\""
   ]
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    "def relation_to_luke(text):\n",
    "    _dict = []\n",
    "    _dict[\"Darth Vader\"] = \"father\"\n",
    "    _dict[\"Leia\"] = \"sister\"\n",
    "    _dict[\"Ham\"] = \"brother in law\"\n",
    "    _dict[\"R2D2\"] = \"droid\"\n",
    "    print(f\"Luke, I am your {+ _dict[text]}\")"
   ]
  },
  {
   "cell_type": "markdown",
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   "source": [
    "#### Task I\n",
    "Fix errors in the function above so we can run following code"
   ]
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    "relation_to_luke(\"Darth Vader\")\n",
    "relation_to_luke(\"Leia\")\n",
    "relation_to_luke(\"Han\")\n",
    "relation_to_luke(\"R2D2\")"
   ]
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    "#### Task II\n",
    "Use exception handling so we can run the function with any string. In this case, the function will return following:\n",
    "\n",
    "**relation_to_luke(\"aaaa\") ➞ \"aaaa is not in the relation with Luke\"**\n",
    "\n",
    "**Note:** Do **Not** use an **if** statement for this"
   ]
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