#!/usr/bin/env python

from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
from dummy import calc

if __name__ == '__main__':
    parser = ArgumentParser(
        formatter_class=ArgumentDefaultsHelpFormatter,
        description='Do a really dumb operation',
        )
    parser.add_argument(
        'n1',
        type=int,
        help='The left-hand argument',
        )
    parser.add_argument(
        'op',
        help='The operation to perform',
        )
    parser.add_argument(
        'n2',
        type=int,
        help='The right-hand argument',
        )
    args = parser.parse_args()

    print(calc(args.n1, args.op, args.n2))
