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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 SearchClients(query=None, context=None):
 """List clients conforming to a givent query."""


  args = client_pb2.ApiSearchClientsArgs(query=query)

  items = context.SendIteratorRequest("SearchClients", args)
  return utils.MapItemsIterator(lambda data: Client(data=data, context=context),
                                items)