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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 _hashing_map(binary_record):
 """A map function used in hash phase. Reads KeyValue from binary record. Args: binary_record: The binary record. Yields: The (key, value). """

  proto = kv_pb.KeyValue()
  proto.ParseFromString(binary_record)
  yield (proto.key(), proto.value())