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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 abstract_json(soup):
 """abstract in article json format"""

    abstract_tags = raw_parser.abstract(soup)
    abstract_json = None
    for tag in abstract_tags:
        if tag.get("abstract-type") is None:
            abstract_json = render_abstract_json(tag)
    return abstract_json