code: def iforest_params(request):
      threshold, threshold_perc, return_instance_score = tests[
          request.param
      ]
      return threshold, threshold_perc, return_instance_score
  
imports: from itertools import product
  import pytest
  from sklearn.datasets import load_iris
  from alibi_detect.od import IForest
  from alibi_detect.version import __version__
label_desc: Use image node_id 1 for calling a global function with example usage: iforest_params(request) and returns: threshold,  threshold_perc,  return_instance_score