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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_strip_subparser(subparsers):
 """Adds a sub-command parser to `subparsers` to process prepared files for use with the tacl ngrams command."""

    parser = subparsers.add_parser(
        'strip', description=constants.STRIP_DESCRIPTION,
        epilog=constants.STRIP_EPILOG, formatter_class=ParagraphFormatter,
        help=constants.STRIP_HELP)
    parser.set_defaults(func=strip_files)
    utils.add_common_arguments(parser)
    parser.add_argument('input', help=constants.STRIP_INPUT_HELP,
                        metavar='INPUT')
    parser.add_argument('output', help=constants.STRIP_OUTPUT_HELP,
                        metavar='OUTPUT')