I don't get it

Answer 1

And I don't get your question. Perhaps you can elaborate on what you don't understand? Switch structures?

Answer 2

The switch statement is a more efficient way to test a lot of conditions for equality with an input variable.
Its life
func(var input) {
If (input == case 1) {}
if (input== case 2){}
if (input == case 3) {}
}

Answer 3

ok I got it..:) ty Hatsi Rey & josh mizzi