Boolean

fun main(args : Array<String>){
    val officeOpen = 7;
    val officeClosed = 16;
    val now = 20;
    //isOpen
    /*val isOpen = if(now >= officeOpen && now <= officeClosed){
        true
    }
    else{
        false
    }*/
    //lebihSederhana
    val isOpen = now >= officeOpen && now <= officeClosed
    println("Office is open : $isOpen")
    val isClose = now < officeOpen || now > officeClosed
    println("Office is close : $isClose")
    if(!isOpen){
        println("Office is closed")
    }
    else{
        println("office is open")
    }
    
}