期末综合大作业：词频统计

#1,
letFile = open('let.txt','r')
letTest = letFile.read()
letFile.close()
print(letTest)
#2,
print(letTest.replace(',',' '))
print(letTest.replace("'",' '))
print(letTest)
#3,
print(letTest.split(' '))
letList = letTest.split(' ')
#4,
letSet = set(letList)
print(letSet)

letDict = {}
for word in letSet:
    letDict[word] =letList.count(word)

print(letDict)
for d in letDict:
    print(d,letDict[d])

#5,
wordCountList = list(letDict.items())
print(wordCountList)
wordCountList.sort(key=lambda x:x[1],reverse=True)
print(wordCountList)
#6,
for i in range(20):
    print(wordCountList[1])
#7,
bigCountFile = open('letCount.txt',mode='a',encoding='utf-8')
for i in range(len(wordCountList)):
    letCountFile.write(str(wordCountList[i][1])+' '+wordCountList[i][0]+'\n')
letCountFile.close()