code: def lazy(func):
      res = []
  
      @functools.wraps(func)
      def wrapper(*args, **kwargs):
          if not res:
              res.append(func(*args, **kwargs))
          return res[0]
  
      return wrapper
  
label_desc: Use image node_id 2 for calling a global function with example usage: lazy(func) and returns: wrapper, res