from typing import Optional from fastapi import FastAPI from pydantic import BaseModel class Item(BaseModel): name: str description: Optional[str] = None app = FastAPI() @app.post("/items/") def create_item(item: Item): return item @app.get("/items/") def read_items() -> list[Item]: return [ Item( name="Portal Gun", description="Device to travel through the multi-rick-verse", ), Item(name="Plumbus"), ]