import jiebaprint('top20词汇出现的次数：')#读入文本文件txt=open('G:\wgd.txt','r',encoding='utf-8').read()#清除无意义符号for i in ',。！、 \n “” ；':    txt=txt.replace(i,'')#词汇的列表d={}words=jieba.cut(txt)keys=set(words)#单词汇计数元祖的列表for i in keys:    if len(i)>1:        d[i]=txt.count(i)        a=list(d.items())a.sort(key=lambda x:x[1],reverse=True)#排序#输出前20频率词汇for i in range(20):    print(a[i])