<!DOCTYPEhtml><htmllang="CN"><head><!-- HTML head,给浏览器提供信息 --> <title>My First HTML Page</title> <metacharset="UTF-8"> <metaname="viewport"content="width=device-width, initial-scale=1.0"> <title>Document</title></head><body><!-- HTML body,显示网页内容 --> <h1>Welcome to my first HTML page</h1> <h2>About me</h2> <h3>My name is John</h3> <h4>I am a web developer</h4> <h5>I love coding</h5> <h6>I am learning HTML</h6> <hr> <p>I am learning HTML and CSS to create web pages.</p> <p>I am excited to learn more about web development.</p> <p>I am also learning JavaScript and PHP.</p> <h2>My favorite things</h2> <ul><!-- 无序列表 --> <li>Reading</li> <li>Hiking</li> <li>Swimming</li> <li>Traveling</li> </ul> <h2>My favorite colors</h2> <ol><!-- 有序列表 --> <li>Red</li> <li>Green</li> <li>Blue</li> <li>Yellow</li> </ol> <p>This is a paragraph.</p><!-- <p>This is another paragraph.</p> --></body></html>
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