Cache decorator

[diomochkin72-ctrl]

No description provided.

[mateacademy-ai-mentor]

Review Summary

Your solution is approved because the cache decorator correctly stores results per decorated function, distinguishes new computations from cached ones, and prints the exact required messages for cache hits and misses. The key construction using args and sorted kwargs ensures that different call signatures are handled consistently, and your implementation avoids duplicated code while using clear, descriptive names that satisfy the checklist requirements. As a minor improvement, consider adding functools.wraps to the wrapper function in app/main.py so that the original function’s name and docstring are preserved for introspection and when stacking decorators. It would also help to add a short docstring to the decorator explaining that it is intended for functions with immutable arguments, since using lists or dicts as arguments would otherwise raise a TypeError when building the cache key. Overall, this is a clean, readable implementation that meets the functional requirements, with only small best-practice enhancements you might apply in future work. Nicely done on implementing effective caching behavior without overcomplicating the design.

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