Call python3 script from java?

Process p = Runtime.getRuntime().exec("sh script.py"); InputStream stdout = p.getInputStream(); InputStream stderr = p.getErrorStream(); The InputStreamReader isr = new an InputStreamReader(stdout); Isrerr an InputStreamReader = new an InputStreamReader(stderr); BufferedReader br = new BufferedReader(isr); BufferedReader brerr = new BufferedReader(isrerr); String line = null; System.out.println("OUTPUT:"); while ((line = br.readLine()) != null) System.out.println(line); System.out.println(); System.out.println("ERROR:"); while ((line = brerr.readLine()) != null) System.out.println(line); System.out.println(); p.waitFor();