func main() {  fmt.Println(reverse("Golang python"))}func reverse(src string) string {  dst := []rune(src)  len := len(dst)  var result []rune  result = make([]rune, 0)  for i := len - 1; i >= 0; i-- {   result = append(result, dst[i])  }  return string(result)}

#方法1--------------------------------------s = 'Golang python'print (s[::-1])#方法2--------------------------------------s = 'Golang python'l = list(s)l.reverse()print (''.join(l) )#方法3--------------------------------------s = 'Golang python'str=[]k=0for i in s:  str.append(s[len(s)-1-k])  k=k+1print (''.join(str) )#方法4--------------------------------------s = 'Golang python'str=[]for i in s:  str.insert(0,i)print (''.join(str) )