python create array of size 4 code example

Example 1: create a list of a certain length python

# 2.X only. Use list(range(10)) in 3.X.
>>> l = range(10)
>>> l
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

Example 2: intialize array to certain lenght python

>>> lst = [None] * 5
>>> lst
[None, None, None, None, None]