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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def reenqueue(self, batch):
 """Re-enqueue the given record batch in the accumulator to retry."""

        now = time.time()
        batch.attempts += 1
        batch.last_attempt = now
        batch.last_append = now
        batch.set_retry()
        assert batch.topic_partition in self._tp_locks, 'TopicPartition not in locks dict'
        assert batch.topic_partition in self._batches, 'TopicPartition not in batches'
        dq = self._batches[batch.topic_partition]
        with self._tp_locks[batch.topic_partition]:
            dq.appendleft(batch)