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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 refineData(root, options):
 """ walk down from the root and gather up the important bits. """

    worker = root.worker
    job = root.jobs
    jobTypesTree = root.job_types
    jobTypes = []
    for childName in jobTypesTree:
        jobTypes.append(jobTypesTree[childName])
    return root, worker, job, jobTypes