Web Scrapping Folder added

C++/bubble_sort.cpp

@@ -1,41 +1,41 @@
-#include<iostream>
-using namespace std;
-void swapping(int &a, int &b) {      //swap the content of a and b
-   int temp;
-   temp = a;
-   a = b;
-   b = temp;
-}
-void display(int *array, int size) {
-   for(int i = 0; i<size; i++)
-      cout << array[i] << " ";
-   cout << endl;
-}
-void bubbleSort(int *array, int size) {
-   for(int i = 0; i<size; i++) {
-      int swaps = 0;         //flag to detect any swap is there or not
-      for(int j = 0; j<size-i-1; j++) {
-         if(array[j] > array[j+1]) {       //when the current item is bigger than next
-            swapping(array[j], array[j+1]);
-            swaps = 1;    //set swap flag
-         }
-      }
-      if(!swaps)
-         break;       // No swap in this pass, so array is sorted
-   }
-}
-int main() {
-   int n;
-   cout << "Enter the number of elements: ";
-   cin >> n;
-   int arr[n];     //create an array with given number of elements
-   cout << "Enter elements:" << endl;
-   for(int i = 0; i<n; i++) {
-      cin >> arr[i];
-   }
-   cout << "Array before Sorting: ";
-   display(arr, n);
-   bubbleSort(arr, n);
-   cout << "Array after Sorting: ";
-   display(arr, n);
+#include<iostream>
+using namespace std;
+void swapping(int &a, int &b) {      //swap the content of a and b
+   int temp;
+   temp = a;
+   a = b;
+   b = temp;
+}
+void display(int *array, int size) {
+   for(int i = 0; i<size; i++)
+      cout << array[i] << " ";
+   cout << endl;
+}
+void bubbleSort(int *array, int size) {
+   for(int i = 0; i<size; i++) {
+      int swaps = 0;         //flag to detect any swap is there or not
+      for(int j = 0; j<size-i-1; j++) {
+         if(array[j] > array[j+1]) {       //when the current item is bigger than next
+            swapping(array[j], array[j+1]);
+            swaps = 1;    //set swap flag
+         }
+      }
+      if(!swaps)
+         break;       // No swap in this pass, so array is sorted
+   }
+}
+int main() {
+   int n;
+   cout << "Enter the number of elements: ";
+   cin >> n;
+   int arr[n];     //create an array with given number of elements
+   cout << "Enter elements:" << endl;
+   for(int i = 0; i<n; i++) {
+      cin >> arr[i];
+   }
+   cout << "Array before Sorting: ";
+   display(arr, n);
+   bubbleSort(arr, n);
+   cout << "Array after Sorting: ";
+   display(arr, n);
 }

Python/Web Scrapping/BeautifulSoup.py

@@ -0,0 +1,104 @@
+# HTML Web Scrapping using bs4
+
+# STEP0: SETTING UP THE ENVIRONMENT
+    # Imported requests and beutifulSoup(bs4)
+
+import requests
+from bs4 import BeautifulSoup
+url = "https://codewithharry.com/"
+
+# STEP1: GET THE HTML
+
+r = requests.get(url)
+htmlcontent = r.content
+print(htmlcontent)
+
+# STEP2: PARSE THE HTML
+
+soup = BeautifulSoup(htmlcontent, 'html.parser')
+print(soup.prettify)
+
+# STEP3: HTML TREE TRAVERSAL
+    #Tag
+    #Navigable String
+    #BeautifulSoup
+    #Comment
+
+title = soup.title  
+    print(title)
+
+paras = soup.find_all('p')
+    print(paras)
+
+anchors = soup.find_all('a')
+    print(anchors)
+
+first_para = soup.find('p')
+    print(first_para)
+
+# Get classes of any element in HTML Page
+print(first_para['class'])
+
+# Get all the elements of a specific class(eg. lead)
+print(soup.find_all("p", class_="lead"))
+
+# To get text from tags/soup
+print(soup.find('p').get_text())
+print(soup.get_text())
+
+# To get all links of a page 
+anchors = soup.find_all('a')
+all_links = set()
+
+for link in anchors:
+    if(link.get('href') != "#"):
+        linkText = "https://codewithharry.com" + link.get('href')
+        all_links.add(link)
+    print(linkText)
+
+
+# For comment in HTML Tree Traversal
+
+markup = "<p><!-- this is a comment  --></p>"
+soup2 = BeautifulSoup(markup)
+print(soup2.p.string)
+
+
+# To find elements of a particular id
+
+navbarSupportedContent = soup.find(id='navbarSupportedContent')
+for element in navbarSupportedContent.children:     # we can use .contents also but for large websites .children is more effecient
+    print(element)
+
+for item in navbarSupportedContent.strings:
+    print(item)
+
+for item in navbarSupportedContent.stripped_strings:
+   print(item)
+
+print(navbarSupportedContent.parent)
+
+for item in navbarSupportedContent.parents:
+   print(item.name)
+
+# Sibblings
+
+print(navbarSupportedContent.next_sibling)
+
+print(navbarSupportedContent.next_sibling.next_sibling)
+
+print(navbarSupportedContent.previous_sibling)
+
+print(navbarSupportedContent.previous_sibling.previous_sibling)
+
+# CSS Selecting
+
+# # is for id
+
+id_element = soup.select('#loginModal')
+print(id_element)
+
+# . is for class
+
+class_element = soup.select('.loginModal')
+print(class_element)