下载一首英文的歌词或文章
将所有,.?!’:等分隔符全部替换为空格
将所有大写转换为小写
sep = ''',.'?!;:'"'''; for i in sep: worldSet = news.replace(i,' '); worldSet= news.lower().split();
生成单词列表
print(worldSet)
生成词频统计
worldDict = {} for w in worldList: worldDict[w] = worldSet.count(w)
排序
worldList = list(worldDict.items()) worldList.sort(key=lambda x: x[1], reverse=True)
排除语法型词汇,代词、冠词、连词
exception = {'in', 'to', 'your', 'you', 'and', 'the', 'for','a','i'}; worldList = set(worldSet) - exception;
输出词频最大TOP20
for i in range(20): print(worldList[i])