Reverse Words in a String III

func reverse(s string) string {
    bytes:=[]byte(s)
    i, j :=0, len(bytes)-1
    for i < j {
        bytes[i], bytes[j] = bytes[j], bytes[i]
        i++
        j--
    }
    return string(bytes)
}

func reverseWords(s string) string {
    ss := strings.Split(s, " ")
    for i, s := range ss{
        ss[i] = reverse(s)
    }
    return strings.Join(ss, " ")
}