fun example(score : Int){
   when(){
      0 -> println("this is 0")
      1 -> println("this is 1")
      2,3 -> println("this is 2 or 3")
      else -> println("I dont't know")
   }
}

var b : Int = when(score){
   1-> 1
   2-> 2
   else -> 3
}

   when(){
      in 90..100 -> println("You are genius")
      in 10..80 -> println("not bad")
      else -> println("okay")
   }