using System;
using System.Collections.Generic;
public class Program
{
public static void Main()
List<int> a = new List<int>() { 1, 2, 3 };
List<int> b = new List<int>(a);
PrintList(a);
PrintList(b);
a.Clear();
}
private static void PrintList(List<int> elems)
foreach(int x in elems)
Console.WriteLine(x);
Console.WriteLine(string.Empty);