L01 — Why FastAPI? - Modern Python, modern web. Type hints become a server.

Description

Lesson 1 of the FastAPI Beginners Guide. Why FastAPI is the 2026 default for Python backend — and what makes it different from Flask, Django, and Express. You'll learn: - ✅ Why type hints are FastAPI's superpower - ✅ How OpenAPI docs are auto-generated from your code - ✅ The async story: why FastAPI matches Node.js for I/O - ✅ When NOT to use FastAPI ⏱ Chapters 00:00 What FastAPI is 01:00 Type hints become a server 02:00 OpenAPI auto-docs 03:00 vs Flask, Django, Express 04:00 When NOT to use FastAPI 05:00 Setup: uv + Python 3.12 🔗 Next: L02 — First @app.get → from function to URL. #FastAPI #Python #LearnPython #BackendDevelopment #PythonTutorial