code: def interstore(self, destination, *others):
          
          others = self._typesafe_others(others)
          destination = self._typesafe(destination)
          return self._client.sinterstore(destination, self.key_prefix, *others)
docs: The same as :meth:intersection, but stores the resulting set
              @destination
  
              @destination: #str keyname or :class:RedisSet
              @others: one or several #str keynames or :class:RedisSet objects
  
              -> #int number of members in resulting set