14032019_6

import Foundation

class Building{
    var floors:Int{
        willSet{
            foundationCount += 1
       }
        didSet{
            moneyspent += 1000
        }
    }

    var height:Int{
        get{
            return floors * 10
        }
        set{
            floors = newValue / 10
        }
    }

    var foundationCount = 0
    var moneyspent = 0

    init (floors:Int){
        self.floors = floors
    }
}

let building = Building(floors:3)

print(building.floors)
print(building.height)

building.height = 20

print(building.floors)
print(building.height)