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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 mark_job_as_canceling(self, job_id):
 """ Mark the job as requested for canceling. Does not actually try to cancel a running job. :param job_id: the job to be marked as canceling. :return: the job object """


        job, _ = self._update_job_state(job_id, State.CANCELING)
        return job