<li> is an item in a list
The li element marks an item in a list. You can use it with the ul, ol, and menu elements. You can use the value attribute to create nonconsecutive ordered lists.
<!DOCTYPE HTML>
<html>
<head>
<title>Example</title>
</head>
<body>
<ol>
<li>HTML</li>
<li value="4">CSS</li>
<li>Javascript</li>
<li value="7">Java</li>
<li>SQL</li>
<li>Python</li>
</ol>
</body>
</html>