Pizza Delivery

class PizzaDelivery:
    def __init__(self, name: str, price: float, ingredients: dict):
        self.ordered = False
        self.name = name
        self.price = price
        self.ingredients = ingredients

    def add_extra(self, ingredient: str, quantity: int, ingredient_price: float):
        if self.ordered:
            return f"Pizza {self.name} already prepared and we can't make any changes!"
        else:
            if ingredient not in self.ingredients:
                self.ingredients[ingredient] = quantity
                self.price += ingredient_price * quantity
            else:
                self.ingredients[ingredient] += quantity
                self.price += ingredient_price * quantity

    def remove_ingredient(self, ingredient: str, quantity: int, ingredient_price: float):
        if self.ordered:
            return f"Pizza {self.name} already prepared and we can't make any changes!"
        else:
            if ingredient not in self.ingredients:
                return f'Wrong ingredient selected! We do not use {ingredient} in {self.name}!'
            if quantity > self.ingredients[ingredient]:
                return f'Please check again the desired quantity of {ingredient}!'
            else:
                self.ingredients[ingredient] -= quantity
                self.price -= ingredient_price * quantity

    def pizza_ordered(self):
        if self.ordered:
            return f"Pizza {self.name} already prepared and we can't make any changes!"
        self.ordered = True
        return f"You've ordered pizza {self.name} prepared with" \
               f" {', '.join([f'{k}: {v}' for k, v in self.ingredients.items()])} and the price will be {self.price}lv"