how to initialize single element list in python code example

Example: python fill a list

"""Filling a list with numbers"""

#using a traditional for loop
ones = []
for one in range(10):
  ones.append(one)    #[0,1,2,3,4,5,6,7,8,9]

#using a comprehension
teens = [num for num in range(13,20)]	#[13, 14, 15, 16, 17, 18, 19]