please explain ill rate up

In the below C# program, write classes Mario and "Yoshi to have the output result described in the output window. Write codes of both classes (Mario & Yoshi) in the answer section alass Hero publie virtual void Printstring() Console.WriteLine("Here is the list of heroes.) 1 1 //Need to writo Mario class //Need to write Yoshi class elas Program statio void Main(string) ange) Hero Beco - new Hero () hero. Peitsteing() Console.WriteLine("First Hero) hero - new Marko() bero. Printstring() Console.WriteLine("Second Hero) bero - new Yoabit) bero. Printstring) Output Window Here is the list of here First Hero I am Marlo! Second Hero I am Yosh For the toolbar, presS ALT=F10 PCO ALTOFN.F10/Mac)