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@ -21,8 +21,7 @@ class ConcreteWordFrequencyController(WordFrequencyController):
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self.word_freq = get_frequencies(self.word_list)
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self.word_freq = sort_dict(self.word_freq)
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def print_word_freqs(self, number):
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for (w, c) in self.word_freq[:number]:
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print(w, '-', c)
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print_word_freqs( self.word_freq,number)
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#定义享元工厂
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class WordFrequencyControllerFactory():
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