from fastapi import APIRouter
from pydantic import BaseModel


INDEX = "人均GDP/全国平均GDP（倍）"

router = APIRouter()


class Params(BaseModel):
    人均GDP: float
    全国平均GDP: float


@router.post("/{}".format(INDEX))
def func(p: Params):
    try:
        result = p.人均GDP / p.全国平均GDP
        return round(result, 2)

    except ZeroDivisionError:
        return "算式无意义"
    except Exception:
        return "计算错误"