python函数练习

file=open(‘tt.txt‘,‘r‘)
news=file.read()

myreplace=‘‘‘,()!`%&*‘‘‘
for i in myreplace:
       myreplace=myreplace.replace(i,‘ ‘)

wordlist=news.lower().split()
wordict={}
wordset=set(wordlist)
wordCutSet={‘i‘,‘we‘,‘the‘}
wordset=wordset-wordCutSet


for w in wordset:
       wordict[w]=wordlist.count(w)

print(wordict)
sortword=sorted(wordict.items(),key=lambda e:e[1],reverse=True)

print(sortword)