create an empty list with a specified length code example
Example 1: python initialize list length n
Creating an empty list:
>>> l = [None] * 10
>>> l
[None, None, None, None, None, None, None, None, None, None]
Example 2: 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]