code: public static String execute(String fileName, String... arguments) throws PyException {
          return execute(fileName, true, arguments);
      }
docs: Executes a python script and return its output.
  
  @param fileName the filename of the python script to execute
  @param arguments the arguments to pass to the python script
  @return the output of the python script execution (combined standard and error outputs)
  @throws PyException in case of exception during Python script execution