code: def back(self, back=None, light=False, on_stderr=False):
      if back is None:
          back = self._default_back
      self._back = back
      # Emulate LIGHT_EX with BRIGHT_BACKGROUND Style
      if light:
          self._light |= WinStyle.BRIGHT_BACKGROUND
      else:
          self._light &= ~WinStyle.BRIGHT_BACKGROUND
      self.set_console(on_stderr=on_stderr)
  
imports: from .None import win32
label_desc: Use image node_id 6 for calling the WinTerm obj's underlying member method code with example usage: obj.back(back, light, on_stderr) without return types