code: def clear(self, red=0.0, green=0.0, blue=0.0, alpha=0.0) -> None:
          '''
              Clear the window.
          '''
  
          self.wnd.clear(red, green, blue, alphaf clear(self, red=0.0, green=0.0, blue=0.0, alpha=0.0) -> None:
          '''
              Clear the window.
          '''
  
          self.wnd.clear(red, green, blue, alpha)
docs: Clear the window.