using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<int> duplList = new List<int> {1, 2, 3, 4, 5, 6, 7};

​

        Console.WriteLine(" ");

        Console.WriteLine("Whole List,tLinq Printed: ");

        Console.WriteLine(" ");

        duplList.ForEach(a => 

        {

            Console.WriteLine(a); // {1, 2, 3} -> 6

        });

        Console.WriteLine(" ");

        Console.WriteLine("Sub List, Linq Printed: ");

        Console.WriteLine(" ");

        duplList.Where(s => s > (duplList.Count-6) && s <= (duplList.Count))

            .ToList()

            .ForEach(s => Console.WriteLine(s));

        Console.WriteLine(" ");

        Console.WriteLine("Sub List, Linq Summed: ");

        Console.WriteLine(" ");

        Console.WriteLine(duplList.Take( (duplList.Count-6)..(duplList.Count) ).Sum()); // {1, 2, 3} -> 6

​

        Console.WriteLine(" ");

        Console.WriteLine("Sub List, Linq Averaged: ");

        Console.WriteLine(" ");

        Console.WriteLine(duplList.Take( (duplList.Count-6)..(duplList.Count) ).Average()); // {1, 2, 3} -> 6

    }

}