code: def _encoder(self):
      
      if self.source_lang == 'en':
        return Transliterator._dummy_coder
      else:
        weights = load_transliteration_table(self.source_lang)
        encoder_weights = weights["encoder"]
        return Transliterator._transliterate_string(encoder_weights)
docs: Transliterate a string from the input language to English.