docs: def parse_args(args):
      """
      Parse command line parameters
  
      :param args: command line parameters as list of strings
      :return: command line parameters as :obj:`argparse.Namespace`
      """
      parser = argparse.ArgumentParser(
          description="Just a Hello World demonstration")
      parser.add_argument(
          '-v',
          '--version',
          action='version',
          version='twip {ver}'.format(ver=__version__))
      return parser.parse_args(args)