import jiebatxt=open('a.txt','r',encoding='utf-8').read()words=list(jieba.cut(txt))print(words)d={}for w in words:    if len(w)==1:        continue    else:        d[w]=d.get(w,0)+1#去除单个字典print(words)            ls=list(d.items())#元组的列表ls.sort(key=lambda x:x[1],reverse=True)#列表排序for i in range(20):#输出TOP20元组    print(ls[i])