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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 _produce_request(self, node_id, acks, timeout, batches):
 """Create a produce request from the given record batches. Returns: ProduceRequest (version depends on api_version) """

        produce_records_by_partition = collections.defaultdict(dict)
        for batch in batches:
            topic = batch.topic_partition.topic
            partition = batch.topic_partition.partition

            buf = batch.records.buffer()
            produce_records_by_partition[topic][partition] = buf

        kwargs = {}
        if self.config['api_version'] >= (0, 11):
            version = 3
            kwargs = dict(transactional_id=None)
        elif self.config['api_version'] >= (0, 10):
            version = 2
        elif self.config['api_version'] == (0, 9):
            version = 1
        else:
            version = 0
        return ProduceRequest[version](
            required_acks=acks,
            timeout=timeout,
            topics=[(topic, list(partition_info.items()))
                    for topic, partition_info
                    in six.iteritems(produce_records_by_partition)],
            **kwargs
        )