jieba 分词--做红楼梦相关的分词，出现次数最高的20个

import jieba
text=open('D:/红楼梦/红楼梦.txt',"r",encoding='utf-8').read()
words=jieba.lcut(text)
counts={}
for word in words:
if len(word)==1: #排除带个字符的分词效果
continue
else:
counts[word]=counts.get(word,0)+1
items=list(counts.items())
items.sort(key=lambda x:x[1],reverse=True)
for i in range(20):
word,count=items[i]
print("{0:<10}{1:>5}".format(word,count))