from fastapi import FastAPI
from pydantic import BaseModel
app = FastAPI()
class Item(BaseModel):
    name: str
    price: float
    is_offer: bool = None
@app.get("/")
def read_root():
    return {"Hello": "World"}
@app.post("/items/{item_id}")
def update_item(item_id: int, item: Item):
    return {"item_id": item_id, "item_name":item.name}
    
     