import argparse

def main(day: int, test: bool = False) -> str:
    print("Called main...")
    print("Day is: {}".format(day))
    print("Testing: {}".format(test))


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description='Advent of Code Event 2015 Python solutions'
    )
    parser.add_argument("-t", "--test", action="store_true")
    parser.add_argument(
        "-d",
        "--day",
        type=int,
        choices=range(1, 25),
        help="Integer day number to solve for (1-25)."
    )
    args = parser.parse_args()

    main(day=args.day, test=args.test)