10. Clock - part 2

package main

import "fmt"

func main() {
    for h := 0; h < 24; h++ {
        for m := 0; m < 60; m++ {
            for s := 0; s < 60; s++ {
                fmt.Printf("%d : %d : %d\n", h, m, s)
            }
        }
    }
}