private void PrintCart(ShoppingCartRepository shoppingCartRepository) { _testOutputHelper.WriteLine("**************************"); var totalPrice = 0m; foreach (var lineItem in shoppingCartRepository.All()) { var price = lineItem.Value.product.Price * lineItem.Value.Quantity; _testOutputHelper.WriteLine($"{lineItem.Key} " + $"£{lineItem.Value.product.Price} x {lineItem.Value.Quantity} = ${price}"); totalPrice += price; } _testOutputHelper.WriteLine($"Total price:\t${totalPrice}"); }