Untitled

class Warehouse:
    def __init__(self):
        self.products = {}

    def add_product(self, name, price, quantity):
        if name in self.products:
            self.products[name]["quantity"] += quantity
        else:
            self.products[name] = {"price": price, "quantity": quantity}

    def __repr__(self):
        product_list = []
        for name, product in self.products.items():
            product_list.append(f"{name}: €{product['price']}, {product['quantity']} available")
        return "\n".join(product_list)


# create a new Warehouse instance
w = Warehouse()

# add some products
w.add_product("laptop-lenovo",350 , 100)
w.add_product("laptop-apple", 900, 250)
w.add_product("laptop-dell", 500, 50)

# print the warehouse
print(w)