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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 get_job(self, job_name):
 """ Returns a Job by name, or None if none exists. """

        for job in self.jobs:
            if job.name == job_name:
                return job
        logger.warn('Tried to find job with name {0}, but job not found'.format(job_name))
        return None