<|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
What data structure would be best to store an employee roster containing their name, age, and gender?
<|im_end|>
<|im_start|>assistant
The best data structure for storing an employee roster containing their name, age, and gender would be a hash table. A hash table is a data structure that allows for fast lookups and inserts by mapping values to keys. Each employee can be stored as a key-value pair, with their name, age, and gender as the respective values.<|im_end|>
