code: def Instance(self):
      """
      Returns the singleton instance. Upon its first call, it creates a
      new instance of the decorated class and calls its `__init__` method.
      On all subsequent calls, the already created instance is returned.
  
      """
      try:
          return self._instance
      except AttributeError:
          self._instance = self._decorated()
          return self._instance
  
label_desc: Use image node_id 2 for calling the Singleton obj's underlying member method code with example usage: obj.Instance() and returns: self, self