code: def run(args=None):
      import sys
      import doctest
  
      if args is not None:
          sys.argv = args
  
      import docstring_ext
  
      result = doctest.testmod(sys.modules.get(__name__))
  
      import pydoc
      import re
  
      docmodule = lambda m: re.sub(".\10", "", pydoc.text.docmodule(m))
      try:
          print("printing module help:")
          print(docmodule(docstring_ext))
      except object as x:
          print("********* failed **********")
          print(x)
          result = list(result)
          result[0] += 1
          return tuple(result)
  
      return result
  
label_desc: Use image node_id 1 for calling a global function with example usage: run(args) and returns: result, tuple