#!/usr/bin/python if __name__=="__main__": import argparse parser = argparse.ArgumentParser() parser.add_argument("square", type=int,help="display a square of a given number") parser.add_argument("-v", "--verbose", help="increase output verbosity", action="store_true") args = parser.parse_args() answer=args.square**2 if args.verbose: print "verbosity turned on" if args.verbose: print "the square of",args.square,"equals", answer else: print answer