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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 validate_range_values(request, label, kwargs):
 """Ensure value contained in label is a positive integer."""

    value = kwargs.get(label, request.query.get(label))
    if value:
        kwargs[label] = int(value)
        if kwargs[label] < 0 or kwargs[label] > MAX_PAGE_SIZE:
            raise ValueError