using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static class Util

    {

        private static double Comp<T>(List<T> l)

        {

            double result = 0;

            foreach (dynamic s in l)

            {

                result += s;

            }

            return result;

        }

​

        private static void Main(string[] args)

        {

            List<float> l = new List<float> { 1, 2, 3, 4.5f };

​

            Console.WriteLine(Comp(l));

        }

    }

}

​