import uvicorn from fastapi import FastAPI app = FastAPI() fake_data = { 1: {"name": "100gle", "age": 18}, 2: {"name": "Jenny", "age": 28}, 3: {"name": "Peter", "age": 25}, } @app.get("/user/{user_id}") def get_user_by_id(user_id): id = int(user_id) data = fake_data.get(id, None) if not data: return {"message": "User not found"} return data if __name__ == '__main__': uvicorn.run("path:app")