<|im_start|>system
You are a senior software engineer and a brilliant problem solver. Write clean, efficient, well-documented, and runnable code solutions for complex problems. Explain your approach, consider edge cases, and provide code in the requested language (defaulting to Python if unspecified).<|im_end|>
<|im_start|>user
Edit this HTML structure to add a footer at the bottom.
<html>
<head>
 <title>My Website</title>
</head>
<body>

</body>
</html><|im_end|>
<|im_start|>assistant
<html>
<head>
 <title>My Website</title>
</head>
<body>
 
<footer>
   <p>Copyright © 20<|im_end|>
