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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 means(self):
 """_MeanMeasure object providing access to means values. None when the cube response does not contain a mean measure. """

        mean_measure_dict = (
            self._cube_dict.get("result", {}).get("measures", {}).get("mean")
        )
        if mean_measure_dict is None:
            return None
        return _MeanMeasure(self._cube_dict, self._all_dimensions)