code: def get_functions(module):
      importlib.import_module(module)
      return [
          obj[0]
          for obj in getmembers(
              sys.modules[module], lambda obj: isfunction(obj)
          )
      ]
  
imports: import importlib
  import re
  import shutil
  import sys
  from distutils.dir_util import copy_tree
  from inspect import getmembers, isclass, isfunction
  from pathlib import Path
  from typing import List
  from click import secho, style
  from causalnex import __version__
label_desc: Use image node_id 2 for calling a global function with example usage: get_functions(module) and returns: unknown