أساليب القوائم

val tasks = listOf("Email", "Call")
println(tasks.isEmpty())      // false
println(tasks.isNotEmpty())   // true

val scores = listOf(85, 92, 78, 95)
println(scores.sum())      // 350
println(scores.average())  // 87.5
println(scores.max())      // 95
println(scores.min())      // 78

val colors = listOf("Red", "Green", "Blue", "Green")
println(colors.indexOf("Green"))   // 1
println(colors.indexOf("Yellow"))  // -1

val numbers = listOf(3, 1, 4, 1, 5)
println(numbers.reversed())  // [5, 1, 4, 1, 3]
println(numbers.sorted())    // [1, 1, 3, 4, 5]