static void Main(string[] args)
{
// TODO: Declare and initialize a CD and a DVD object.
CD aCD = new CD("The Beatles");
DVD aDVD = new DVD("Halloween");
// TODO: Call each CD and DVD method to verify that they work as expected.
aCD.SpinDisc();
aCD.StoreData();
aCD.ReportDiscInfo();
aDVD.SpinDisc();
aDVD.StoreData();
aDVD.ReportDiscInfo();
}