go_workshop/chapter_04/exercise_4.10/main.go

package main

import "fmt"

func message() string {

  s := []int{1, 2, 3, 4, 5, 6, 7, 8, 9}
  m := fmt.Sprintln("First:   ", s[0], s[0:1], s[:1])
  m += fmt.Sprintln("Last:    ", s[len(s)-1], s[len(s)-1:len(s)], s[len(s)-1:])
  m += fmt.Sprintln("First 5: ", s[:5])
  m += fmt.Sprintln("Last 4:  ", s[len(s)-4:])
  m += fmt.Sprintln("Middle 5:", s[2:7])
  return m

}

func main() {

  fmt.Print(message())

}