FastAPI Development Quick start Create a basic FastAPI application: Run with: Common patterns Pydantic models for validation Dependency injection Database dependencies with cleanup Error handling Path and query validation Response models Testing with TestClient Requirements Key concepts - Async/await : Use for I/O operations - Automatic validation : Request/response validation with Pydantic - Dependency injection : Share logic across endpoints with - Type hints : Full editor support and validation - Interactive docs : Auto-generated Swagger/OpenAPI at - Background tasks : Run tasks after resp…