code: def put_records(self, records, partition_key=None):
          
          for record in records:
              self.put_record(record, partition_key)
docs: Add a list of data records to the record queue in the proper format.
          Convinience method that calls self.put_record for each element.
  
          Parameters
          ----------
          records : list
              Lists of records to send.
          partition_key: str
              Hash that determines which shard a given data record belongs to.