阅读下面程序:
wordstring="""
it was the best of times it was the worst of times.
it was the age of wisdom it was the age of foolishness.
"""
#将标点符号替换
wordstring=wordstring.replace('.','')
#分割单词
wordlist=wordstring.split()
wordfreq=[]
for w in wordlist:
#统计单词出现个数
wordfreq.append(wordlist.count(w))
d = dict(zip(wordlist,wordfreq))
print(d)
运行代码,输出结果是()。 [填空题】