package main
import "fmt"

func main(){
	d := []byte{'r', 'o', 'a', 'd'}
    e := d[2:] 
    d = d[0:3]
    fmt.Println(e)
    fmt.Println(cap(d))
    d = append(d, 'z') // Ooops
    fmt.Println(e) // 'd' is now 'z'
    fmt.Println(cap(d))
}