return the sum of the numbers in the parameter list.

Question

Create the method public static int Sum(List<int> numbers) in the exercise template. The method is to return the sum of the numbers in the parameter list.

List<int> numbers = new List<int>();
numbers.Add(3);
numbers.Add(2);
numbers.Add(6);
numbers.Add(-1);
Console.WriteLine(Sum(numbers));
numbers.Add(5); numbers.Add(1);
Console.WriteLine(Sum(numbers));