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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def generate_align_subparser(subparsers):
 """Adds a sub-command parser to `subparsers` to generate aligned sequences from a set of results."""

    parser = subparsers.add_parser(
        'align', description=constants.ALIGN_DESCRIPTION,
        epilog=constants.ALIGN_EPILOG,
        formatter_class=ParagraphFormatter, help=constants.ALIGN_HELP)
    parser.set_defaults(func=align_results)
    utils.add_common_arguments(parser)
    parser.add_argument('-m', '--minimum', default=20,
                        help=constants.ALIGN_MINIMUM_SIZE_HELP, type=int)
    utils.add_corpus_arguments(parser)
    parser.add_argument('output', help=constants.ALIGN_OUTPUT_HELP,
                        metavar='OUTPUT')
    parser.add_argument('results', help=constants.RESULTS_RESULTS_HELP,
                        metavar='RESULTS')