python set list size 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]

Example 3: how to get size of list in python

list_1 = ["Hello", 1, "World", 2]
# if you want length of this lins use len() function
print(len(list_1))

# if you want size in bytes
import sys
print(sys.getsizeof(list_1), "Bytes")

Example 4: python list of size

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