import Foundation

 // 数组声明

 var arr = [String]()

 // 数组循环添加项

 for var index in ...{

     arr.append("Item \(index)")

 }

 // 遍历方法1

 for item in arr {

     print (item)

 }

 // 遍历方法2

 for (index, value) in arr.enumerate() {

     print("Item \(index + 1 ) :\(value)")

 }

 print("Hello, World!")

 var i =

 while i < arr.count{

     print(arr[i])

     i++

 }

 print(arr[])

 // 字典的遍历

 var dict = ["name":"jinpangpang","age":""]

 for (key,value) in dict{

     print("\(key),\(value)")

 }