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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(cls):
 """Get values gathered from the previously set hierarchy. Respects the order in which sources are set, the first source set has the highest priority, overrides values with the same key that exist in sources with lower priority. Returns: dict: The dictionary containing values gathered from all set sources. """

        results = {}

        hierarchy = cls.__hierarchy
        hierarchy.reverse()

        for storeMethod in hierarchy:
            cls.merger.merge(results, storeMethod.get())

        return results