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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def save_target_vocab(target_vocab: Vocab, folder: str):
 """ Saves target vocabulary to folder. :param target_vocab: Target vocabulary. :param folder: Destination folder. """

    vocab_to_json(target_vocab, os.path.join(folder, C.VOCAB_TRG_NAME % 0))