public void Operation_AppendH_Test01()
{
var lst1 = nc.GenerateIntSeries(0, 5, 1);
var lst2 = nc.GenerateIntSeries(5, 10, 1);
var lst3 = new List <object> {
0, 5, 1, 6, 2, 7, 3, 8, 4, 9
};
//create series from the list
var ser1 = new Series(lst1);
var ser2 = new Series(lst2, name: "Series2");
//addition
var df = ser1.AppendHorizontaly(ser2);
Assert.Equal(df.Values, lst3);
}