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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 get_cytoband_map(name):
 """Fetch one cytoband map by name [55600000, 58500000, 'gpos50'] """

    fn = pkg_resources.resource_filename(
        __name__, _data_path_fmt.format(name=name))
    return json.load(gzip.open(fn, mode="rt", encoding="utf-8"))