using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Linq;
//csc CollecT_Any_Distinct1.cs
namespace ConsoleApplication1
{

    class Program
    {
        static void Main(string[] args)
        {
            Collection<string> cTList = new Collection<string>();
            cTList.Add("AD"); cTList.Add("B"); cTList.Add("AB");
            cTList.Add("C"); cTList.Add("D"); cTList.Add("AD");
            cTList.Add("E"); cTList.Add("AD");
           // IEnumerable<string> query1 = cTList.Where(e => e.Contains("AD"));
            Console.WriteLine("Reading List");
            readT(cTList);
            Console.WriteLine(" dnames = names.Distinct(); ");
            IEnumerable<string> names = from p in cTList where p.Any() select p;
            IEnumerable<string> dnames = names.Distinct(); 
            int n1 = 0;
            foreach (var v1 in dnames)
            {
                Console.WriteLine(v1 + " @\t " + n1 + " "); 
               
                n1++;
            }

            Console.ReadLine();
        }
        static void readT(IList<string> list)
        {
            //notice that the list is passed an IList and hence can handle both types of lists
            //Use IEnumerable
            int n1 = 0;
            foreach (string val in list)
            {
                Console.WriteLine(val + " @\t " + n1 + " ");
                n1++;
            }
           
        }


    }
}