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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 parse_query_filter():
 """Parse the Run query filter from the URL as a dictionary."""

    query_string = request.args.get("queryFilter")
    if query_string is None:
        return {"type": "and", "filters": []}
    query = json.loads(query_string)
    assert type(query) == dict
    assert type(query.get("type")) == str
    return query