Python Commad line arguments

#!/usr/local/bin/python2.7

'''
    File name: python_command_line.py
    Author: Prabhath Kota
    Date: June 22, 2018
    Python Version: 2.7
'''

import sys

def multiply_function(val1, val2):
    return_val = 0
    if val1 and val2:
        return_val = val1 * val2
    return return_val


if __name__ == '__main__':
    program_name = sys.argv[0]
    arguments = sys.argv[1:]
    count = len(arguments)
    if count == 2:
        print multiply_function(sys.argv[1], sys.argv[1])
    else:
        print 'Please pass two arguments like "python python_command_line.py 10 20"'