public void Sample()
{
//list of 0,1,2,3,4
_day10.List = Enumerable.Range(0, 5).ToList();
int[] input = { 3, 4, 1, 5 };
_day10.ApplyInput(input);
Assert.AreEqual(12, _day10.List.Take(2).Aggregate((x, y) => x * y));
}
