import argparse if __name__ == '__main__': arg = argparse.ArgumentParser() arg.add_argument('target', action = 'store', help = 'target host to attack') arg.add_argument('username', action = 'store', help = 'username to be used to authenticate against target') arg.add_argument('password', action = 'store', help = "username's password") args = arg.parse_args() print args.target