from typing import Annotated from fastapi import FastAPI, Path from pydantic import BaseModel app = FastAPI() class Item(BaseModel): name: str description: str | None = None price: float tax: float | None = None @app.put("/items/{item_id}") async def update_item( item_id: Annotated[int, Path(title="The ID of the item to get", ge=0, le=1000)], q: str | None = None, item: Item | None = None, ): results = {"item_id": item_id} if q: results.update({"q": q}) if item: results.update({"item": item}) return results