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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 raw_corpus_bleu(hypotheses: Iterable[str], references: Iterable[str], offset: Optional[float] = 0.01) -> float: """ Simple wrapper around sacreBLEU's BLEU without tokenization and smoothing. :param hypotheses: Hypotheses stream. :param references: Reference stream. :param offset: Smoothing constant. :return: BLEU score as float between 0 and 1. """

    return sacrebleu.raw_corpus_bleu(hypotheses, [references], smooth_floor=offset).score / 100.0