ZipDemo.cs

private static void ZipDemo(List<Order> orders)
{
    var orderNumbersInText = new[] { "One", "Two", "Three", "Four", "Five" };
    orders
        .Zip(orderNumbersInText, (order, text) => $"Quantity of Order {text}: {order.Quantity}")
        .ToList()
        .ForEach(sentence => WriteLine(sentence));
}