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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_machine_category_usage(start, end):
 """Return a tuple of cpu hours and number of jobs for a given period Keyword arguments: start -- start date end -- end date """


    cache = MachineCategoryCache.objects.get(
        date=datetime.date.today(),
        start=start, end=end)
    return cache