code: def _parse_args(args):
      
  
      parser = argparse.ArgumentParser(prog='nibble',
                                       description='Speed, distance and time '
                                                   'calculations around '
                                                   'quantities of digital '
                                                   'information.')
      parser.add_argument('-V', '--version',
                          action='version',
                          version='%(prog)s ' + nibble.__version__)
      parser.add_argument('-v', '--verbosity',
                          help='increase output verbosity',
                          action='count',
                          default=0)
      parser.add_argument('expression',
                          type=util.decode_cli_arg,
                          nargs='+',
                          help='the calculation to execute')
      return parser.parse_args(args[1:])
docs: Interpret command line arguments.
  
      :param args: `sys.argv`
      :return: The populated argparse namespace.