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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 get_instances(self):
 # type: () -> List[Tuple[str, str, int]] """ Retrieves the list of the currently registered component instances :return: A list of (name, factory name, state) tuples. """

        with self.__instances_lock:
            return sorted(
                (name, stored_instance.factory_name, stored_instance.state)
                for name, stored_instance in self.__instances.items()
            )