pizza algorithm

from pizzeria import*

pizzeria = generateObjects(readFile('____path_____'))

def get_pizzas(pizzeria):
    max_slices = pizzeria.Max
    pizza_types = len(pizzeria.Pizzas)

    actual_slices = 0
    actual_pizzas = 0

    pizzas_ordered= []

    pizza_ref = pizza_types-1
    for pizza in pizzeria.Pizzas[::-1]:
        if (actual_slices + pizza.Size <= max_slices):
            pizzas_ordered.append(pizza_ref)
            actual_slices += pizza.Size
            actual_pizzas +=1
        pizza_ref-=1
    print(actual_pizzas)
    for p in pizzas_ordered[::-1]:
        print(p,end=" ")

get_pizzas(pizzeria)