Python Enum, keys(), values(), items() with cached values using lru_cache.

Читаючи How to get all values from python enum class? знайшов цікаве для себе рішення для застосування class enum.Enum Python у парі з @functools.lru_cache . 

 

FastAPI Dependency Injection: 21 Examples Using Depends() with AI Answers

Why ?

Once I wanted to understand how Depends works in FastAPI more thoroughly to understand what's under the hood. I started communicating with the AI. The answer was a question, and I got hooked. 

I decided to test it in real code and created a training project and wrote this post for it based on my questions to the AI and its answers.
Some answers were wrong, some I had already optimized a bit. But all the results shown are real and created by me personally. 

The result was 21 training examples written in Python, where I checked the answers and suggestions from the AI.