static void Main(string[] args)
{
Persona tom = new Persona("Tom");
Persona Jim = new Persona("Jim");
tom.print();
Jim.print();
Alumno luis = new Alumno("Luis", "1621555");
luis.print();
}
static void Main(string[] args)
{
Persona tom = new Persona("Scott");
Persona jim = new Persona("Dwight");
tom.print();
jim.print();
Alumno luis = new Alumno("Clay", "13195412");
luis.print();
}