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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 create_stemmer(self, isDev=False):
 """ Returns Stemmer instance """


        words = self.get_words(isDev)
        dictionary = ArrayDictionary(words)
        stemmer = Stemmer(dictionary)

        resultCache = ArrayCache()
        cachedStemmer = CachedStemmer(resultCache, stemmer)

        return cachedStemmer