16. Write a programme using <del>,<ins>

<html>

<head>

<title>First Programme</title>
</head></title>
<body bgcolor="lightblue">
<del>Blue</del>Red<br>
<ins>Blue</ins>Yellow
</body>
     </html>
Output:-

17.Write a programme using <sub>,<sup>

<html>
<head><title> first programme</title></head>
<body>
<p> 7 <sup>2</sup></p><br>
<p>9<sub>3</sub></p>
</body>
</html>