<|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
Create a fragment of HTML that displays a button which redirects the user to a given URL.
URL = "http://example.com"<|im_end|>
<|im_start|>assistant
<a href="http://example.com"><button>Go to example.com</button></a><|im_end|>
