list having a size python code example

Example 1: how to find length of list python

my_list = [1,2,3,4,5,6,7,8,9,10]

length_of_list = len(my_list)

Example 2: python list of size

li = [None] * 5 # [None, None, None, None, None]
li = [0] * 5 # [0, 0, 0, 0, 0]