def raise_or_lower(self, app):
        
        app_zi = self.window_zindex[app.identifier]
        if app_zi != len(self.window)-1:
            self.raise_app(app)
        else:
            self.lower_app(app)
dataset/ETHPy150Open anandology/pyjamas/examples/shell/Screen.py/Screen.raise_or_lower/original