code: def print_rendered_results(results_dict):
      
      class _HubComponentEncoder(json.JSONEncoder):
          def default(self, o):
              if isinstance(o, base.HubComponent):
                  return repr(o)
              return json.JSONEncoder.default(self, o)
      formatted = json.dumps(results_dict, indent=4, cls=_HubComponentEncoder)
      # the returned string contains lines with trailing spaces, which causes
      # doctests to fail.  So fix that here.
      for s in formatted.splitlines():
          print(s.rstrip())
docs: Pretty-prints the rendered results dictionary.
  
      Rendered results can be multiply-nested dictionaries; this uses JSON
      serialization to print a nice representation.