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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 _json_to_categories(response_body):
 """ Returns a list of Category objects """

    data = json.loads(response_body)
    categories = []
    for category_data in data.get("categoryList", []):
        categories.append(Category().from_json(
            data.get('uwNetID'), category_data))

    return categories