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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 batch_split_words(self, sentences: List[str]) -> List[List[Token]]: """ Spacy needs to do batch processing, or it can be really slow. This method lets you take advantage of that if you want. Default implementation is to just iterate of the sentences and call ``split_words``, but the ``SpacyWordSplitter`` will actually do batched processing. """

        return [self.split_words(sentence) for sentence in sentences]