}

/* 0 ~ 20  的遍历 跨步 5

 此种方法相当于遍历 0..<50 [0,50] 闭区间 会遍历最后一个数

 */

for j in stride(from: 0, through: 20, by: 5) {

    print("j = \(j)")

}

/*

 遍历元组 (实际跟遍历字典类似)

 */

let tupleArray = [("zhangShang",60,170.0),

                  ("liSi",77,175.0),

                  ("wangWu",80,180.0)]

for t in tupleArray {

    print("name : \(t.0), weight : \(t.1), height : \(t.2)")

}