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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 stop(self, silent=False):
 """Sends a stop signal to the loop thread and waits until it stops A stop signal is sent using Loop.send_stop_signal(silent) (see docs for Loop.send_stop_signal) :param silent: True/False same parameter as in Loop.send_stop_signal(silent) """

        self.send_stop_signal(silent)
        self._lock.wait()