def go_next_screen(self):
        self.index = len(self.available_screens) % (self.index + 1)
        screen = self.load_screen(self.index)
        sm = self.root.ids.sm
        sm.switch_to(screen, direction='left')
        self.current_title = screen.name
        self.update_sourcecode()
dataset/ETHPy150Open kivy/kivy/examples/demo/showcase/main.py/ShowcaseApp.go_next_screen/swapped operands of `%`