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