code: def get_range_response(self, range_start, range_end, sort_order=None,
                             sort_target='key', **kwargs):
          
          range_request = self._build_get_range_request(
              key=range_start,
              range_end=range_end,
              sort_order=sort_order,
              sort_target=sort_target,
              **kwargs
          )
  
          return self.kvstub.Range(
              range_request,
              self.timeout,
              credentials=self.call_credentials,
              metadata=self.metadata
          )
docs: Get a range of keys.