def iso_to_crubadan(self, lang):
        for i in self._lang_mapping_data:
            if i[1].lower() == lang.lower():
                return i[0]
Return internal Crubadan code based on ISO 639-3 code
dataset/ETHPy150Open nltk/nltk/nltk/corpus/reader/crubadan.py/CrubadanCorpusReader.iso_to_crubadan