1async function applyDiscounts(cart, discountCodes) {
2    let totalDiscount = 0;
3    
4    discountCodes.forEach(async (code) => {
5        const discount = await fetchDiscountValue(code);
6        totalDiscount += discount;
7    });
8    
9    return {
10        ...cart,
11        totalDiscount,
12        finalPrice: cart.originalPrice - totalDiscount
13    };
14}
15
16// Usage
17const cart = { originalPrice: 100 };
18const codes = ['SUMMER', 'WELCOME'];
19console.log(await applyDiscounts(cart, codes));