code: def visualize_jst(joint_surrogate_tree: dict, path="abcd.jpg"):
      T = simpler_common_trunk_tree_to_digraph(joint_surrogate_tree)
      return graph_to_jpg(T, path)
  
file_path: AIX360/aix360/algorithms/imd/utils.py
imports: import numpy
  import pandas
  import networkx
  from collections import defaultdict
  from aix360.algorithms.imd.rule import Rule
label_desc: Use image node_id 9 for calling a global function with example usage: visualize_jst(joint_surrogate_tree, path) and returns: graph_to_jpg