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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 iter_annotation_values(graph, annotation: str) -> Iterable[str]: """Iterate over all of the values for an annotation used in the graph. :param pybel.BELGraph graph: A BEL graph :param str annotation: The annotation to grab """

    return (
        value
        for _, _, data in graph.edges(data=True)
        if edge_has_annotation(data, annotation)
        for value in data[ANNOTATIONS][annotation]
    )