code: def print_call_chain(*args):
      import sys
  
      print(" ".join(map(str, args)))
      f = sys._getframe(1)
      while f:
          name = f.f_code.co_name
          s = f.f_locals.get("self", None)
          if s:
              c = getattr(s, "__class__", None)
              if c:
                  name = "%s.%s" % (c.__name__, name)
          print("Called from: %s %s" % (name, f.f_lineno))
          f = f.f_back
      print("-" * 70)
  
label_desc: Use image node_id 1 for calling a global function with example usage: print_call_chain() without return types