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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 ListFlows(self):
 """List flows that ran on this client."""


    args = flow_pb2.ApiListFlowsArgs(client_id=self.client_id)

    items = self._context.SendIteratorRequest("ListFlows", args)
    return utils.MapItemsIterator(
        lambda data: flow.Flow(data=data, context=self._context), items)