<|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
Write a function that takes a string as an argument and removes all vowels (a, e, i, o, u) from it.
hello world<|im_end|>
<|im_start|>assistant
hll wrld<|im_end|>
