main

class Wren {
    construct new() {
        var a = 0
        _list = [1,2,3].map{|i|
            a = a + 1
            return a
        }
    }
    
    printList() {
        for (item in _list) {
            System.print(item.toString)
        }
    }
}

var w = Wren.new()
w.printList()
w.printList()