create an item with all the information name each item must have a name description a long description price required tax if the item doesn t have tax you can omit this tags a set of unique tag strings for this item create an item with all the information name each item must have a name description a long description price required tax if the item doesn t have tax you can omit this tags a set of unique tag strings for this item
from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None
    tags: set[str] = set()


@app.post(
    "/items/",
    response_model=Item,
    summary="Create an item",
    response_description="The created item",
)
async def create_item(item: Item):
    
    return item