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Python - List - Append, Count, Extend, Index, Insert, Pop, Remove, Reverse, Sort

🐍 Advance List List is widely used and it's functionalities are heavily useful. Append Adds one element at the end of the list. Syntax list1.append(value) Input l1 = [1, 2, 3] l1.append(4) l1 Output [1, 2, 3, 4] append can be used to add any datatype in a list. It can even add list inside list. Caution: Append does not return anything. It just appends the list. Count .count(value) counts the number of occurrences of an element in the list. Syntax list1.count(value) Input l1 = [1, 2, 3, 4, 3] l1.count(3) Output 2 It returns 0 if the value is not found in the list. Extend .count(value) counts the number of occurrences of an element in the list. Syntax list1.extend(list) Input l1 = [1, 2, 3] l1.extend([4, 5]) Output [1, 2, 3, 4, 5] If we use append, entire list will be added to the first list like one element. Extend, i nstead of considering a list as one element, it joins the two lists one after other. Append works in the following way. Input l1 = [1, 2, 3] l1.append([4, 5]) Output...

Python - .strip(), .capitalize(), .title(), .spit()

🐍 .strip() removes certain characters from both ends of the string. .capitalize() capitalizes the first letter of the string and sets the rest of the string to lower case. .title() capitalizes first letter of every word in the string. Example Run the following code in Jupyter notebook and you will see how each of the above functions work. a = "   john SNOW   " b = "0000CAEsy0james00" print(a.strip().capitalize()+" loves "+b.strip('0').title()) .strip() .strip() removes all spaces from the front and back of a string. Not the spaces in between. .strip() has default argument as space, i.e. ' '. But if you pass another character, it will look for that character in front and back of the string and remove it. For example, if you run print('0000James0Cameron000'.strip('0')) , it will remove all 0s from front and back and print ' James0Cameron '. Note that the 0 in between remains as it is. You can pass a string too. Exa...