Use @lru_cache(maxsize=128) to memoize a recursive factorial function

A medium Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain

Python

Difficulty

medium

Interview Prompt

Use @lru_cache(maxsize=128) to memoize a recursive factorial function. Call factorial(10) twice. Print the result, whether both calls returned the same value, and the cache hits and misses from cache_info().

How This Interview Works

1. Read the vague prompt (just like a real interview)
2. Ask clarifying questions to the AI interviewer
3. Write your python solution with real code execution
4. Get instant feedback and a hire/no-hire decision