code: def lock_multi(self, keys, ttl=0):
          
          return _Base.lock_multi(self, keys, ttl=ttl)
docs: Lock multiple keys. Multi variant of :meth:`lock`
  
          :param keys: the keys to lock
          :type keys: :ref:`iterable<argtypes>`
          :param int ttl: The lock timeout for all keys
  
          :return: a :class:`~.MultiResult` object
  
          .. seealso:: :meth:`lock`