public void Operation_AppendV_Test01()
{
var lst1 = nc.GenerateIntSeries(0, 5, 1);
var lst2 = nc.GenerateIntSeries(5, 10, 1);
var lst3 = nc.GenerateIntSeries(0, 10, 1);
//create series from the list
var ser1 = new Series(lst1);
var ser2 = new Series(lst2);
//addition
var ser3 = ser1.AppendVerticaly(ser2);
Assert.Equal(ser3.ToList(), lst3);
}