import requests

BASE_URL = "https://api.frankfurter.app"

def get_latest_rate(from_currency, to_currency):
 
    response = requests.get(f"{BASE_URL}/latest?from={from_currency}&to={to_currency}")
    if response.status_code == 200:
        data = response.json()
        return data['rates'][to_currency]
    else:
        raise Exception("Failed to fetch the latest rate")

def get_historical_rate(from_currency, to_currency, date):
   
    response = requests.get(f"{BASE_URL}/{date}?from={from_currency}&to={to_currency}")
    if response.status_code == 200:
        data = response.json()
        return data['rates'][to_currency]
    else:
        raise Exception("Failed to fetch historical rate")