when expression with range

fun getGrade(score: Int): String{
    var result: String
    when{
        score >= 90 -> {
            result = "sangat memuaskan"
        }
        score in 80..90 -> {
            result = "memuaskan"
        }
        score in 70..80 -> {
            result = "lumayan"
        }
        else ->{
            result = "anda masih harus belajar lagi"
        }
    }
    return result
}


fun main() {
    val hasil = getGrade(60)
    println(hasil)
}