<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _decoder(self):
 """Transliterate a string from English to the target language."""

    if self.target_lang == 'en':
      return Transliterator._dummy_coder
    else:
      weights = load_transliteration_table(self.target_lang)
      decoder_weights = weights["decoder"]
      return Transliterator._transliterate_string(decoder_weights)