class NamedShape { var numberOfSides: Int = 0 var name: String init(name: String) { self.name = name } func simpleDescription() -> String { return "A shape with \(numberOfSides) sides." } } class NamedShape(name: String) { var numberOfSides: Int = 0 var name: String = "" init { this.name = name } fun simpleDescription() : String { return "A shape with ${numberOfSides} sides." } } class Square: Nam