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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 startLoop(self, useDriverLoop=True):
 """ Starts an event loop to process queued commands and callbacks. @param useDriverLoop: If True, uses the run loop provided by the driver (the default). If False, assumes the caller will enter its own run loop which will pump any events for the TTS engine properly. @type useDriverLoop: bool @raise RuntimeError: When the loop is already running """

        if self._inLoop:
            raise RuntimeError('run loop already started')
        self._inLoop = True
        self._driverLoop = useDriverLoop
        self.proxy.startLoop(self._driverLoop)