কোটলিন কন্ডিশন

fun main() {
    val password = "****"

    if (password == "****") {
        println("login successful")
    }
}

fun main() {
    val password = "****"

    if (password == "****") {
        println("login successful")
    } else {
        println("login failed")
    }
}

fun main() {
    val mark = 80

    if (mark >= 80) {
        println("excellent")
    } else if (mark >= 50) {
        println("pass")
    } else {
        println("fail")
    }
}

fun main() {
    val role = "admin"

    val result = when (role) {
        "admin" -> "admin"
        "user" -> "user"
        else -> "guest"
    }

    println(result)
}