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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 _make_paging_message(controls):
 """Turns a raw paging controls dict into Protobuf ClientPagingControls. """


        return client_list_control_pb2.ClientPagingControls(
            start=controls.get('start', None),
            limit=controls.get('limit', None))