val list = mutableListOf<Int>()
println("list.isEmpty() is ${list.isEmpty()}") //
list.addAll(listOf(1, 2, 3))
println(list) // [1, 2, 3]
val list = mutableListOf<Int>()
println("list.isEmpty() is ${list.isEmpty()}") //
list.addAll(listOf(1, 2, 3))
println(list) // [1, 2, 3]