9.26文件方式实现完整的英文词频统计实例
#读入待分析的字符串 fo=open('song.txt','w') fo.write('''You gotta go and get angry at all of my honesty You know I try but I don’t do too well with apologies I hope I don’t run out of time, could someone call a referee? Cause I just need one more shot at forgiveness I know you know that I made those mistakes maybe once or twice By once or twice I mean maybe a couple a hundred times So let me, oh let me redeem, oh redeem, oh myself tonight Cause I just need one more shot at second chances Yeah, is it too late now to say sorry? Cause I’m missing more than just your body Is it too late now to say sorry? Yeah I know that I let you down Is it too late to say I’m sorry now? I’m sorry, yeah Sorry, yeah Sorry Yeah I know that I let you down Is it too late to say sorry now? I’ll take every single piece of the blame if you want me to But you know that there is no innocent one in this game for two I’ll go, I’ll go and then you go, you go out and spill the truth Can we both say the words and forget this? Is it too late now to say sorry? Cause I’m missing more than just your body Is it too late now to say sorry? Yeah I know that I let you down Is it too late to say I’m sorry now? I’m not just trying to get you back on me Cause I’m missing more than just your body Is it too late now to say sorry? Yeah I know that I let you down Is it too late to say sorry now? I’m sorry, yeah Sorry, oh Sorry Yeah I know that I let you down Is it too late to say sorry now? I’m sorry, yeah Sorry, oh Sorry Yeah I know that I let you down Is it too late to say sorry now?''') fo.close()
分解提取单词
计数字典
排除语法型词汇
排序
输出TOP(20)
代码为：
fo=open('song.txt','r') sorry = fo.read() sorry=sorry.lower()#首字母小写 exc={'to','it','taht','and','that','of','or','you','i'} for i in ',?': sorry=sorry.replace(i,' ')#替换所有的,? word=sorry.split(' ')#以‘ ’断开分成单独的字符串 #单词计数字典 dt={}#定义一个空字典 keys=set(word)#取键值 keys=keys-exc #print(keys) for i in keys: dt[i]=word.count(i)#dt[i]输出key #print(dt) wc=list(dt.items())#字典转化为列表 #print(wc) wc.sort(key=lambda x:x[1],reverse=True) #print(wc) for i in range(20): print(wc[i])
结果：