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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 start_health_check_for(self, node_address: Address):
 """Start health checking `node_address`. This function is a noop during initialization, because health checking can be started as a side effect of some events (e.g. new channel). For these cases the healthcheck will be started by `start_neighbours_healthcheck`. """

        if self.transport:
            self.transport.start_health_check(node_address)