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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 cpu_throttling(self, cpu_throttling):
 """ Sets the percentage of CPU allowed. :param cpu_throttling: integer """


        log.info('QEMU VM "{name}" [{id}] has set the percentage of CPU allowed to {cpu}'.format(name=self._name,
                                                                                                 id=self._id,
                                                                                                 cpu=cpu_throttling))
        self._cpu_throttling = cpu_throttling
        self._stop_cpulimit()
        if cpu_throttling:
            self._set_cpu_throttling()