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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 _get_records(event):
 """Get records from an AWS Lambda trigger event."""

    try:
        recs, _ = unpack_kinesis_event(event, deserializer=None)
    except KeyError:
        # If not a Kinesis event, just unpack the records
        recs = event["Records"]
    return recs