code: def batch_get_item(self, batch_list):
          
          request_items = self.dynamize_request_items(batch_list)
          return self.layer1.batch_get_item(request_items,
                                            object_hook=item_object_hook)
docs: Return a set of attributes for a multiple items in
          multiple tables using their primary keys.
  
          :type batch_list: :class:`boto.dynamodb.batch.BatchList`
          :param batch_list: A BatchList object which consists of a
              list of :class:`boto.dynamoddb.batch.Batch` objects.
              Each Batch object contains the information about one
              batch of objects that you wish to retrieve in this
              request.