1package string
 2
 3func Reverse(s string) string {
 4  b := []rune(s)
 5  for i:=0; i<len(b)/2; i++ {
 6    j := len(b)-i-1
 7    b[i], b[j] = b[j], b[i]
 8  }
 9  return string(b)
10}