作业7
文件方式实现完整的英文词频统计实例
1.读入待分析的字符串
2.分解提取单词
3.计数字典
4.排除语法型词汇
5.排序
6.输出TOP(20)
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>>> fo=open('123.txt','w')>>> fo.write('''I messed up tonight, I lost another fightI still mess up but I'll just start againI keep falling down, I keep on hitting the groundI always get up now to see what's nextBirds don't just fly, they fall down and get upNobody learns without getting it wonI won't give up, no I won't give inTil I reach the end, then I'll start againNo I won't leave, I wanna try everythingI wanna try even though I could failI won't give up, no I won't give inTil I reach the end and then I'll start againNo I won't leave, I wanna try everythingI wanna try even though I could fail''')574>>> fo.close() |
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fo=open('123.txt','r')song=fo.read() song=song.lower() #小写for i in ',.': song=song.replace(i,' ') #替换标点符号words=song.split() #分单词#print(words) dic={} #字典keys=set(words) #集合#print(keys) for i in keys: dic[i]=words.count(i) #出现单词的次数#print(dic) wc = list(dic.items()) #列表 wc.sort(key=lambdax:x[1],reverse=True)#print(wc) for i in range(20): print(wc[i])fo.close() |
