func display print Hello World display func printName name String prin

func display() {
    print("Hello World")
}

display()


func printName(name: String) {
    print("Name: \(name)")
}

printName(name: "Mamun")

func displayName(_ name: String) {
    print("Name: \(name)")
}

displayName("Talha")


func addNumbers(a: Int, b: Int) -> Int {
    return a+b
}

let total = addNumbers(a: 10, b: 12)
print("Total: \(total)")