文件方式實現完整的英文詞頻統計實例

1.讀入待分析的字符串

2.分解提取單詞?

3.計數字典

4.排除語法型詞匯

5.排序

6.輸出TOP(20)

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>>> fo=open('123.txt','w') >>> fo.write('''I messed up tonight, I lost another fight I still mess up but I'll just start again I keep falling down, I keep on hitting the ground I always get up now to see what's next Birds don't just fly, they fall down and get up Nobody learns without getting it won I won't give up, no I won't give in Til I reach the end, then I'll start again No I won't leave, I wanna try everything I wanna try even though I could fail I won't give up, no I won't give in Til I reach the end and then I'll start again No I won't leave, I wanna try everything I 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()?#小寫 for?i?in?',.': ????song=song.replace(i,' ')??#替換標點符號 words=song.split()??#分單詞 #print(words) ?? dic={}?#字典 keys=set(words)?#集合 #print(keys) ?? for?i?in?keys: ????dic[i]=words.count(i)?#出現單詞的次數 ? #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()

轉載于:https://www.cnblogs.com/z1-z/p/7599124.html

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