Python Codes

Examples : fruits = ['orange', 'apple', 'pear', 'banana', 'kiwi', 'apple', 'banana'] #gives_count_of_apples fruits.count('apple') 2 fruits.count('tangerine') 0 #to_get_index_of_banana fruits.index('banana') 3 #Find_next_banana_starting_a_position_4 fruits.index('banana', 4) 6 #to_reverse_fruits_list fruits.reverse() fruits ['banana', 'apple', 'kiwi', 'banana', 'pear', 'apple', 'orange'] #to_add_item_at_the_end_of_the_list fruits.append('grape') fruits ['banana', 'apple', 'kiwi', 'banana', 'pear', 'apple', 'orange', 'grape'] #sort_the_fruits_list fruits.sort() fruits ['apple', 'apple', 'banana', 'banana', 'grape', 'kiwi', 'orange', 'pear'] #to_delete_the_last_item_in_the_list fruits.pop() 'pear' Share and Support @python_codes

Lists list.append(x) Add an item to the end of the list. Equivalent to a[len(a):] = [x]. list.extend(iterable) Extend the list by appending all the items from the iterable. Equivalent to a[len(a):] = iterable. list.insert(i, x) Insert an item at a given position. The first argument is the index of the element before which to insert, so a.insert(0, x) inserts at the front of the list, and a.insert(len(a), x) is equivalent to a.append(x). list.remove(x) Remove the first item from the list whose value is equal to x. It raises a ValueError if there is no such item. list.pop([i]) Remove the item at the given position in the list, and return it. If no index is specified, a.pop() removes and returns the last item in the list. (The square brackets around the i in the method signature denote that the parameter is optional, not that you should type square brackets at that position. You will see this notation frequently in the Python Library Reference.) list.clear() Remove all items from the list. Equivalent to del a[:]. list.index(x[, start[, end]]) Return zero-based index in the list of the first item whose value is equal to x. Raises a ValueError if there is no such item. The optional arguments start and end are interpreted as in the slice notation and are used to limit the search to a particular subsequence of the list. The returned index is computed relative to the beginning of the full sequence rather than the start argument. list.count(x) Return the number of times x appears in the list. list.sort(key=None, reverse=False) Sort the items of the list in place (the arguments can be used for sort customization, see sorted() for their explanation). list.reverse() Reverse the elements of the list in place. list.copy() Return a shallow copy of the list. Equivalent to a[:] Share and Support @python_codes

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