#!/usr/bin/env python3 from sys import argv def main(): width = 0 if (len(argv) > 1): try: width = int(argv[1]) except ValueError as e: print('ValueError: Enter integer value!') exit(1) print('Width: {0}'.format(width)) print(' 4x3 = {0}x{1}'.format(width, width * 3 / 4)) print('16x9 = {0}x{1}'.format(width, width * 9 / 16)) else: print('Enter width value!'); if __name__ == '__main__': main()