let nokiaPhone = Phone()
nokiaPhone.model = "Nokia 6610"
let iPhone18 = Phone()
iPhone18.model = "iPhone 18"
let kim = Employee()
kim.firstName = "Victorya"
kim.lastName = "Kim"
kim.personalPhone = iPhone18
print(kim.personalPhone!.model!)
class Phone {
var model: String?
}
class Employee {
var firstName: String?
var lastName: String?
var personalPhone: Phone?
}