class Drink:
    def __init__(self, name, price, percent, capacity):
        self.name = name
        self.price = price
        self.percent = percent
        self.capacity = capacity
    def __add__(self, inny):
        name = self.name + " z " + inny.name
        price = self.price + inny.price
        obj = self.capacity + inny.capacity
        procent = (self.percent * self.capacity + inny.capacity * inny.percent) / (self.capacity + inny.capacity)
        wynik = Drink(name,price,obj,procent)
        return wynik
    def __mul__(self, number):
        price = self.price * number
        obj = self.capacity * number
        return Drink(self.name, price, self.percent, obj)
    def __str__(self):
        return self.name + ", " + str(self.percent) + "%, " + str(self.price) + "zl, " + str(self.capacity) + "ml;"
    __repr__ = __str__
    def __lt__(self, inny):
        return (self.price/self.percent) < (inny.price/inny.percent)

wodka = Drink("wodka", 5, 40.0, 40)
martini = Drink("martini", 10, 11.0, 25)
sprite = Drink("sprite", 4, 0.0, 200)
lod = Drink("lod", 0, 0.0, 50)

drink1 = wodka + martini + sprite + lod
drink2 = wodka + sprite + lod
drink3 = martini + lod

print(drink2)
print(drink3*3)
lista = [drink1, drink2, drink3]
lista.sort()
print(lista)