#!/usr/bin/env python
import argparse

def main():
    """
    Check arguments and launch doit properly
    """
    parser = argparse.ArgumentParser(description='display some subcommands')
    subparsers = parser.add_subparsers(title='subcommands', dest='subcommand')

    subcommand_data = (('a', 'a subcommand help'),
                       ('b', 'b subcommand help'),
                       ('c', 'c subcommand help'),
                       ('d', 'd subcommand help'),
                       ('e', 'e subcommand help'),
                       )

    for subcommand, description in subcommand_data:
        subparser = subparsers.add_parser(subcommand,
                                          description=description,
                                          help=description)

    args = parser.parse_args()


if __name__ == '__main__':
    main()