cvs_operation_behavior.kt

val colorsList = listOf("blue", "red", "black", "yellow")
val list1: List<String> = colorsList
    .filter { it != "red" } // new array list of size 3
    .map { it.toLowerCase() } // new array list of size 4
    .take(2) // new array list of size 2
val list2: List<String> = colorsList
    .asSequence()
    .filter { it != "red" } // will run and take "blue" and "black"
    .map { it.toLowerCase()} // new array list of default size
    .take(2) // will run 3 iterations and then exit with just one array instance
    .toList()