Argparse sample

argparse.py

#!/usr/bin/env python3

import argparse


def parse_args():
    """ Process command line arguments. """
    parser = argparse.ArgumentParser()
    parser.add_argument("-c", "--column", type=int,
                        default=0,
                        help="Column to read, begins with 0. Default = 0.")
    parser.add_argument("-f", "--filename", type=str,
                        default='Example.fasta',
                        help="Filename to read. Default = Example.fasta")
                        # choices=['rock', 'paper', 'scissors']
    parser.add_argument('--version', action='version', version='%(prog)s 2.0')
    args = parser.parse_args()
    return args


def main():
    """ """
    args = parse_args()

if __name__ == '__main__':
    main()