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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 register(self, correlation_id, connection):
 """ Registers the given connection in all referenced discovery services. This method can be used for dynamic service discovery. :param correlation_id: (optional) transaction id to trace execution through call chain. :param connection: a connection to register. """

        result = self._register_in_discovery(correlation_id, connection)
        
        if result:
            self._connections.append(connection)