Staircase Hackerrank test

staircase.py

#!/bin/python3
'''
Consider a staircase of size n=4:

   #
  ##
 ###
####

Observe that its base and height are both equal to , and the image 
is drawn using # symbols and spaces. The last line is not preceded by any spaces.
'''


import sys


n = int(input().strip())

for i in range(1,n+1):
    countNum = n-i
    print((' '*countNum)+('#'*i))