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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 parse_args(args=None):
 """ Parse arguments provided as a list of strings, and return a namespace with parameter names matching the arguments :param args: List of strings to be parsed as command-line arguments. If none, reads in sys.argv as the values. :return: a namespace containing arguments values """


    parser = argparse.ArgumentParser(description=ds.ARGPARSER['description'])
    parser.add_argument('input',
                        help=ds.ARGPARSE_INPUT['help'])
    parser.add_argument('output',
                        nargs='?',
                        help=ds.ARGPARSE_OUTPUT['help'],
                        default=ds.ARGPARSE_OUTPUT['default'])
    parser.add_argument('-X', '--overwrite',
                        help=ds.ARGPARSE_OVERWRITE['help'],
                        action='store_true')
    parser.add_argument('-e', '--extensions',
                        nargs='+',
                        default=ds.ARGPARSE_EXTENSION['default'],
                        help=ds.ARGPARSE_EXTENSION['help'])
    parser.add_argument('-w', '--wrapper',
                        help=ds.ARGPARSE_WRAPPER['help'],
                        default=ds.ARGPARSE_WRAPPER['default'], )
    parser.add_argument('-v', '--verbose',
                        help=ds.ARGPARSE_VERBOSE['help'],
                        action='store_true')
    parser.add_argument('-r', '-R',
                        help=ds.ARGPARSE_RECURSIVE['help'],
                        action='store_true',
                        dest='recursive')
    parser.add_argument('--version',
                        action='version',
                        version=ah.__version__)

    if args is not None:
        return parser.parse_args(args)
    else:
        return parser.parse_args()