static void MyLesson13Examples()
{
House myHouse = new House();
Console.WriteLine("The door color is {0}", myHouse.DoorColor);
Condo myCondo = new Condo();
myCondo.DoorOpenClose();
Console.WriteLine("This foundation type is {0}", myCondo.Foundation);
}
static void MyLesson11Examples()
{
Condo myCondo = new Condo();
myCondo.Maintenance();
myCondo.DoorOpenClose();
House myHouse = new House();
myHouse.DoorOpenClose();
myHouse.DoorOpenClose("Red");
}