[Currency Exchange] What to do in Task 6( non_exchangable_value)? #2835

def exchange_money(budget, exchange_rate):

    return budget/exchange_rate


def get_change(budget, exchanging_value):
   
    return budget - exchanging_value


def get_value_of_bills(denomination, number_of_bills):
    
    return denomination * number_of_bills

def get_number_of_bills(budget, denomination):
   
    return int(budget // denomination)


def exchangeable_value(budget, exchange_rate, spread, denomination):
   
    _exchange_rate = exchange_rate + exchange_rate * (spread / 100)
    res = (exchange_money(budget,_exchange_rate) // denomination) * denomination
    return int(res)


def non_exchangeable_value(budget, exchange_rate, spread, denomination):
    temp = ((budget*denomination) - exchangeable_value(budget,exchange_rate,spread,denomination))//denomination
    print(budget*denomination , exchangeable_value(budget,exchange_rate,spread,denomination))
    return int(temp)