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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 serialize_job(job):
 """Return a dictionary representing the job."""

    d = dict(
        id=job.get_id(),
        uri=url_for('jobs.get_job', job_id=job.get_id(), _external=True),
        status=job.get_status(),
        result=job.result
    )
    return d