code: def language_id(self):
          
          lang = self._rPr.lang
          if lang is None:
              return MSO_LANGUAGE_ID.NONE
          return self._rPr.lang
docs: Get or set the language id of this |Font| instance. The language id
          is a member of the :ref:`MsoLanguageId` enumeration. Assigning |None|
          removes any language setting, the same behavior as assigning
          `MSO_LANGUAGE_ID.NONE`.