from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()

class Starship(BaseModel):
    id: str
    name: str
    price: float
    discount: float | None

@app.post("/addStarship")
async def add_starship(starship: Starship):
    return {
        "starship_id": starship.id,
        "starship": starship
    }