1append(): append the object to the end of the list.
2insert(): inserts the object before the given index.
3extend(): extends the list by appending elements from the iterable.
1my_list = ['a', 'b', 'c']
2my_list.append('e')
3print(my_list)
4# Output
5#['a', 'b', 'c', 'e']