code: def global_cmdline_args():
      
      global _global_cmdline_args
  
      if _global_cmdline_args:
          return _global_cmdline_args
  
      luigi_parser = luigi.cmdline_parser.CmdlineParser.get_instance()
      if not luigi_parser:
          return None
  
      _global_cmdline_args = root_task_parser().parse_known_args(luigi_parser.cmdline_args)[1]
  
      return _global_cmdline_args
docs: Returns the list of command line arguments that do not belong to the root task. The returned
      list is cached. Example:
  
      .. code-block:: python
  
          global_cmdline_args()
          # -> ["--local-scheduler"]