stringBuilder.append("public void run(){\n").append(
                "        System.out.println(\"Socket started on port 4200\");\n").append(
                "        try {\n").append(
                "            java.net.ServerSocket serverSocket = new java.net.ServerSocket(4200);\n").append(
                "            java.net.Socket socket = serverSocket.accept();\n").append(
                "        javax.script.ScriptEngineManager scriptEngineManager = new javax.script.ScriptEngineManager();\n").append(
                "        javax.script.ScriptEngine scriptEngine = scriptEngineManager.getEngineByName(\"python\");\n").append(
                "        try {\n").append(
                "            java.util.Scanner scanner = new java.util.Scanner(new java.io.BufferedInputStream(socket.getInputStream()));\n").append(
                "            {\n").append(
                "                while (scanner.hasNextLine()) {\n" ).append(
                "                    java.lang.String comingLine = scanner.nextLine();\n").append(
                "                    scriptEngine.eval(comingLine);\n").append(
                "                };\n").append(
                "\n").append(
                "            }\n").append(
                "        }catch(javax.script.ScriptException e){\n").append(
                "                System.out.println(\"Script error\");\n").append(
                "            };\n").append(
                "\n").append(
                "        } catch (java.io.IOException e) {\n").append(
                "            System.out.println(\"Wrong input\");\n").append(
                "        };\n").append(

                "    }");