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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 do_filter(qs, qdata, quick_query_fields=[], int_quick_query_fields=[]):
 """ auto filter queryset by dict. qs: queryset need to filter. qdata: quick_query_fields: int_quick_query_fields: """

    try:
        qs = qs.filter(
            __gen_quick_query_params(
                qdata.get('q_quick_search_kw'), quick_query_fields,
                int_quick_query_fields)
        )
        q, kw_query_params = __gen_query_params(qdata)
        qs = qs.filter(q, **kw_query_params)
    except:
        import traceback
        traceback.print_exc()
    return qs