Define memoize(fn) that returns a wrapper using a dict cache keyed by the args tuple
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
Define memoize(fn) that returns a wrapper using a dict cache keyed by the args tuple. Decorate a function slow_square(n) that returns n * n. Print slow_square(4), then slow_square(4) again (the second call hits the cache). Expected output is 16 on both lines.
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