code: def _list_args_kwargs(self):
          
  
          params = []
          params.extend(self._positional_args)
          params.extend(['{k}={v}'.format(k=k, v=v) for k, v in
                         self._key_value_args.items()])
  
          return params
docs: Make a list of strings representing al parameters.
  
          Returns
          -------
          list