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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 startService(self):
 """ Start the service and connect the JSONRPCClientFactory. """

        self.clientFactory.connect().addErrback(
            log.err, 'error starting the JSON-RPC client service %r' % (self,))
        service.Service.startService(self)