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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 endLoop(self, useDriverLoop):
        '''
        Called by the engine to stop an event loop.
        '''
        self._queue = []
        self._driver.stop()
        if useDriverLoop:
            self._driver.endLoop()
        else:
            self._iterator = None
        self.setBusy(True)