struct Point { let name: String; let x: Int; let y: Int }
let points = [Point(name: "Documents", x: 12, y: 18), Point(name: "Data", x: 56, y: 34)]
for (index, point) in points.enumerated() { print("\(index + 1). \(point.name): \(point.x),\(point.y)") }