import requests
import json

url = "https://www.cbr-xml-daily.ru/daily_json.js"

class Currency:
    def __init__(self, code: str):
        self.name = code
        self.status = True
        response = requests.get(url)
        response.raise_for_status()  # Проверяем успешность запроса
        try:
            # Парсим JSON-данные
            data = response.json()
            self.yen_rate = data["Valute"][code]["Value"]
            self.yen_nominal = data["Valute"][code]["Nominal"]
        except:
            self.status = False

obj = Currency("JPY")