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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_resource_cache(resourceid):
 """ Get a cached dictionary related to an individual resourceid. :param resourceid: String resource id. :return: dict """

        if not resourceid:
            raise ResourceInitError("Resource id missing")
        if not DutInformationList._cache.get(resourceid):
            DutInformationList._cache[resourceid] = dict()
        return DutInformationList._cache[resourceid]