let Ary1:Array<Int> = [1,2,4,5]
//let Ary1:Array<String> = ["aa","bb","cc"]
var ary2 = Array<String>()//少见
var AryM = [String]()

 //add
    AryM.append("aaa")
    AryM.append("bbb")
    AryM.append("ccc")
    AryM.append("ddd")
 //del
    AryM.removeAtIndex(0)
    AryM
 //修改
    AryM[0] = "zzz"
    AryM
 //取
    AryM[1]

    AryM.append("aaa")
    AryM.append("bbb")
    AryM.append("ccc")
    AryM.append("ddd")

    for var i in 0..<AryM.count{
        print(AryM[i])
    }

    for string in AryM{
        print(string)
    }

    for string in AryM[0..<2]{
         print(string)
    }
    for var i in 0..<2{
         print(AryM[i])
    }

    let array1 = [1,2,3]
    let array2 = ["a","b","c"]
    //let array3 = array1+array2
    let array4 = [4,5,6]
    let array5 = array1+array4