class PlaneItem(BaseItem):
    type: str = "plane"
    size: int


items = {
    "item1": {"description": "All my friends drive a low rider", "type": "car"},
    "item2": {
        "description": "Music is my aeroplane, it's my aeroplane",
        "type": "plane",
        "size": 5,
    },
}


@app.get("/items/{item_id}", response_model=PlaneItem | CarItem)
async def read_item(item_id: str):

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str


items = [
    {"name": "Foo", "description": "There comes my hero"},
    {"name": "Red", "description": "It's my aeroplane"},
]


@app.get("/items/", response_model=list[Item])
async def read_items():

1F6DD..1F6DF  ; valid                  ;      ; NV8    # 14.0 PLAYGROUND SLIDE..RING BUOY
1F6E0..1F6EC  ; valid                  ;      ; NV8    # 7.0  HAMMER AND WRENCH..AIRPLANE ARRIVING
1F6ED..1F6EF  ; disallowed                             # NA   <reserved-1F6ED>..<reserved-1F6EF>
1F6F0..1F6F3  ; valid                  ;      ; NV8    # 7.0  SATELLITE..PASSENGER SHIP