Async Python, Pydantic and FastAPI
Comes up in: Python, AI engineering
This concept is being written. It gets the full five steps — explanation, predict, interview angle, practice with tests, and review cards. Here is exactly what it will cover, so you can study it elsewhere in the meantime.
What it covers
async/awaitand the event loop (asyncio) compared with JS- gathering tasks and limiting concurrency (semaphores)
- Pydantic models for validation
- FastAPI endpoints with streaming responses
- pytest basics
Words you will know
What you will practise
- FastAPI endpoint that streams an LLM response (mock in CI)
Interview questions this answers
- What is Pydantic used for?