简单教程
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代码编辑器：
<!DOCTYPE html> <meta charset="utf-8"><link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <style> p:first-letter { font-size:200%; color:#8A2BE2; } </style> <h1>Welcome to My Homepage</h1> <p>My name is Donald.</p> <p>I live in Duckburg.</p> <p>My best friend is Mickey.</p> <footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果：