jieba分词

尾号为1,2,3的同学做，西游记相关的分词，出现次数最高的20个。

```import jieba

# 读取文本文件
path = "西游记.txt"
file = open(path, "r", encoding="utf-8")
text = file.read()
file.close()

# 使用jieba分词
words = jieba.lcut(text)

# 统计词频
counts = {}
for word in words:
    # 过滤掉长度为1的词语
    if len(word) == 1:
        continue
    # 更新字典中的词频
    counts[word] = counts.get(word, 0) + 1

# 对字典中的键值对进行排序
items = list(counts.items())
items.sort(key=lambda x: x[1], reverse=True)

# 输出前20个高频词语
for i in range(20):
    word, count = items[i]
    print(f"{word:<10}{count:>5}")