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4 changes: 2 additions & 2 deletions docs/handson-web-scrape-py/03.md
Original file line number Diff line number Diff line change
Expand Up @@ -1183,11 +1183,11 @@ Output from list announcements obtained using lxml.cssselect It's also to be not
* XPath:[https://www.w3.org/TR/xpath/](https://www.w3.org/TR/xpath/) 、[https://www.w3.org/TR/2017/REC-xpath-31-20170321/](https://www.w3.org/TR/2017/REC-xpath-31-20170321/)
* XML-DOM:[https://www.w3schools.com/xml/dom_intro.asp](https://www.w3schools.com/xml/dom_intro.asp)
* XPath 简介:[https://www.w3schools.com/xml/xpath_intro.asp](https://www.w3schools.com/xml/xpath_intro.asp)
* XPath 测试仪:[https://freeformatter.com/xpath-tester.html](https://freeformatter.com/xpath-tester.html) 、[http://www.xpathtester.com/xslt](http://www.xpathtester.com/xslt) 、[https://codebeautify.org/Xpath-Tester](https://codebeautify.org/Xpath-Tester)
* XPath 测试仪:[https://freeformatter.com/xpath-tester.html](https://freeformatter.com/xpath-tester.html) 、[http://www.xpathtester.com/xslt](http://www.xpathtester.com/xslt) 、[https://codebeautify.org/Xpath-Tester](https://codebeautify.org/Xpath-Tester) 、[https://extendsclass.com/xpath-tester.html](https://extendsclass.com/xpath-tester.html)
* XPath 教程:[https://doc.scrapy.org/en/xpath-tutorial/topics/xpath-tutorial.html](https://doc.scrapy.org/en/xpath-tutorial/topics/xpath-tutorial.html)
* CSS 选择器参考:[https://www.w3schools.com/cssref/css_selectors.asp](https://www.w3schools.com/cssref/css_selectors.asp)
* CSS 伪类和元素:[https://www.w3schools.com/css/css_pseudo_elements.asp](https://www.w3schools.com/css/css_pseudo_elements.asp)
* CSS 信息:[http://www.css3.info/](http://www.css3.info/) 、[https://developer.mozilla.org/en-US/docs/Web/CSS](https://developer.mozilla.org/en-US/docs/Web/CSS)
* CSS 查询解析器:[https://try.jsoup.org/](https://try.jsoup.org/)
* XPath 的 CSS 选择器:[https://css-selector-to-xpath.appspot.com](https://css-selector-to-xpath.appspot.com)
* 元素树概述:[http://effbot.org/zone/element-index.htm](http://effbot.org/zone/element-index.htm)*
* 元素树概述:[http://effbot.org/zone/element-index.htm](http://effbot.org/zone/element-index.htm)*