code: def f_i18n_iso(isocode, lang="eng"):
      
      if lang not in flask_nemo._data.AVAILABLE_TRANSLATIONS:
          lang = "eng"
  
      try:
          return flask_nemo._data.ISOCODES[isocode][lang]
      except KeyError:
          return "Unknown"
docs: Replace isocode by its language equivalent
  
      :param isocode: Three character long language code
      :param lang: Lang in which to return the language name
      :return: Full Text Language Name