def demo(screen):
    effects = [
        Cycle(
            screen,
            FigletText("ASCIIMATICS", font='big'),
            8 - screen.height // 2),
        Cycle(
            screen,
            FigletText("ROCKS!", font='big'),
            screen.height // 2 + 3),
        Stars(screen, (screen.width + screen.height) // 2)
    ]
    screen.play([Scene(effects, 500)])
dataset/ETHPy150Open peterbrittain/asciimatics/samples/test.py/demo/swapped operands of `-`