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+#!/bin/python3%0A%0Aimport math%0Aimport os%0Aimport random%0Aimport re%0Aimport sys%0A%0A# Complete the staircase function below.%0Adef staircase(num_stairs):%0A    for stairs in range(1, num_stairs + 1):%0A        # just remember print has ()%0A        print (' ' * (num_stairs - stairs) + '#' * stairs)%0A    return()%0A    %0Aif __name__ == '__main__':%0A    n = int(input())%0A%0A    staircase(n)%0A

Create HR_staircase.py