Относно задача 05.Квартално магазинче от тема: По-сложни проверки

product = input().lower()
city = input().lower()
quantity = float(input())
price = 0
if city == "sofia":
    if product == "coffee":
        price = quantity * 0.50
    elif product == "water":
        price = quantity * 0.80
    elif product == "beer":
        price = quantity * 1.20
    elif product == "sweets":
        price = quantity * 1.45
    elif product == "peanuts":
        price = quantity * 1.60
elif city == "plovdiv":
    if product == "coffee":
        price = quantity * 0.40
    elif product == "water":
        price = quantity * 0.70
    elif product == "beer":
        price = quantity * 1.15
    elif product == "sweets":
        price = quantity * 1.30
    elif product == "peanuts":
        price = quantity * 1.50
elif city == "varna":
    if product == "coffee":
        price = quantity * 0.45
    elif product == "water":
        price = quantity * 0.70
    elif product == "beer":
        price = quantity * 1.10
    elif product == "sweets":
        price = quantity * 1.35
    elif product == "peanuts":
        price = quantity * 1.55
print(price)
Резултат = 0 ????

Моля за съдействие.

Извинете. Грешката е у мен. Хубав ден.