爬虫库：pyquery 打印标签为什么打印的是网页源代码

只想打印

标签，但是都打印出来了</p> <p><img src="https://img-mid.csdnimg.cn/release/static/image/mid/ask/917866609826174.png" alt="img" title="EP~0B9`M7}%1]YL$$K(X$~0.png"/></p>

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from pyquery import PyQuery as pq
 
s = '<html><title>PyQuery用法总结<title></html>'
doc = pq(s)
print(doc('title'))