Ordered and Unordered List in HTML

Ordered List in HTML<html>
<head>
 <title>List</title>
</head>
<body>
    <h2>List of Courses</h2>
<ol type="i" start="4">
    <li>HTML</li>
    <li>CSS</li>
    <li>Java Script</li>
    <li>Python</li>
    <li>Data Structures</li>
</ol>
</body>
</html>

Unordered List in HTML<html>
<head>
 <title>List</title>
</head>
<body>
<h2>List of Courses</h2>
<ul type="circle">
    <li>HTML</li>
    <li>CSS</li>
    <li>Java Script</li>
    <li>Python</li>
    <li>Data Structures</li>
</ul>
</body>
</html>