import "sort"

func testMapSort() {
    var a map[int]int
    a = make(map[int]int, 5)

    a[8] = 10
    a[5] = 10
    a[2] = 10
    a[1] = 10
    a[9] = 10

    var keys []int
    for k, _ := range a {
        keys = append(keys, k)
    }

    sort.Ints(keys)

    for _, v := range keys {
        fmt.Println(v, a[v])
    }
}

func testMapSort1() {
    var a map[string]int
    var b map[int]string

    a = make(map[string]int, 5)
    b = make(map[int]string, 5)

    a["name"] = 53
    a["ege"] = 10

    for k, v := range a {
        b[v] = k
    }

    fmt.Println(b)
}