code: def _split_index(params):
      
      if isinstance(params, list):
          return [params[0], _split_index(params[1])]
      elif isinstance(params, dict):
          if INDEX in params.keys():
              return _split_index(params[VALUE])
          result = dict()
          for key in params:
              result[key] = _split_index(params[key])
          return result
      else:
          return params
docs: Delete index infromation from params