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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 qs_to_qsl(qs: Dict[str, List[AnyStr]]) -> Iterable[Tuple[str, AnyStr]]: """Generator converting a result of ``parse_qs`` back to name-value pairs. .. versionadded:: 5.0 """

    for k, vs in qs.items():
        for v in vs:
            yield (k, v)