Go language: Print all the keys of map

You can print all the keys of a map using for loop.

Example

for key := range employees {

         fmt.Println(key)

}

App.go

package main

import "fmt"

func main() {

 employees := map[int]string{
  1: "Krishna",
  2: "Ram",
  3: "Chamu", //Must have trailing comma
 }

 for key := range employees {
  fmt.Println(key)
 }
}

Output

1

2

3

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