how to add elements in python list code example

Example 1: add something to list python

#append to list
lst = [1, 2, 3]
something = 4
lst.append(something)
#lst is now [1, 2, 3, 4]

Example 2: python push to list

append(): append the object to the end of the list.
insert(): inserts the object before the given index.
extend(): extends the list by appending elements from the iterable.