package main

import ("fmt")

​

func main() {

  a := map[string]int{"one": 1, "two": 2, "three": 3, "four": 4}

​

  var b []string                // defining the order

  b = append(b, "one", "two", "three", "four")

​

  for k, v := range a {        // loop with no order

    fmt.Printf("%v : %v, ", k, v)

  }

​

  fmt.Println()

​

  for _, element := range b {  // loop with the defined order

    fmt.Printf("%v : %v, ", element, a[element])

  }

}