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CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
					
public class Program
{
	public static void Main()
	{
		var random = new Random();
		
		var list = new List<string> { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"  };
		
		var newList1 = new List<string>();
		var newList2 = new List<string>();
		while(list.Count > 0)
		{
			//choose the index randomly
			int index = random.Next(list.Count);
			
			//get the item at the randomly chosen index
			string curItem = list[index];
			
			//choose the list randomly(1==newList1, 2==newList2)
			int listChoice = random.Next(2);
			
			//Add the item to the correct list
			if(listChoice == 1)
			{
				newList1.Add(curItem);
			}
			else
			{
				newList2.Add(curItem);
			}
			//finally, remove the element from the string
			list.RemoveAt(index);
		}
		
		Console.WriteLine("List 1 contents:");
		foreach(var cur in newList1)
		{
			Console.WriteLine(cur);
		}
		Console.WriteLine("List 2 contents:");
		foreach(var cur in newList2)
		{
			Console.WriteLine(cur);
		}
	}
}