code: def get_output(self):
      return self.__output
  
imports: import csv
  import os
  import shutil
  import subprocess
  import tempfile
  import unittest
  import matplotlib
  from six.moves import xrange
  from pyalgotrade import dataseries
label_desc: Use image node_id 3 for calling the RunResults obj's underlying member method code with example usage: obj.get_output() and returns: self