“TypeError: 'dict_keys' object is not subscriptable”
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2022-07-14 23:49:47
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问题出在《Python自然语言处理》第18页的代码
属于python3会出现的情况
改为如下即可：
from nltk.book import *
fdist1=FreqDist(text1)
vocabulary1=fdist1.keys()
vocab=list(vocabulary1)
print("vocabulary1=",vocab)
fdist1.plot(50,cumulative=True)推荐阅读
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“TypeError: 'dict_keys' object is not subscriptable”