<|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 the following HTML code to display a border around the element with the ID 'test-element'.
<div id="test-element">Hello World</div><|im_end|>
<|im_start|>assistant
<div id="test-element" style="border:1px solid #000">Hello World</div><|im_end|>
