This is an inherited class with a call to the parent’s method.
class Person { var name = "" var age = 0 init(){ self.name = "" self.age = 0 } init(name:String,age:Int){ self.name = name self.age = age } func printIntro(){ print("My name is \(self.name) My age is \(self.age)") } } class Student : Person { } var student = Student(name: "Taylor Swift", age: 20) student.printIntro()