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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 _norm_perm_list_from_perm_dict(self, perm_dict):
 """Return a minimal, ordered, hashable list of subjects and permissions."""

        high_perm_dict = self._highest_perm_dict_from_perm_dict(perm_dict)
        return [
            [k, list(sorted(high_perm_dict[k]))]
            for k in ORDERED_PERM_LIST
            if high_perm_dict.get(k, False)
        ]