solution

[MarinaKramarchuk]

No description provided.

[mateacademy-ai-mentor]

Review Summary

Your solution is approved and meets all requirements. The implementation correctly provides 2 collections (users and expenses) with 5 RESTful endpoints each, uses in-memory storage that starts empty and resets on server restart, and properly handles 404 (entity not found) and 400 (missing required parameters) error cases. All endpoints follow the required API structure including list, create, get by id, update, and delete operations with appropriate HTTP status codes. Great work on the clean module structure that exports the Express app without calling app.listen().

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