'Syntax error: bad token 'Codeskulptor

'Syntax error: bad token 'Codeskulptor

我正在制作一个 python 程序来使用 codeskulptor 创建图表,但我遇到了这个错误,我不知道它出了什么问题,我该如何解决? 代码:

    pointx = 0
    pointy = 0
    prepointx = 0
    prepointy = 0
    positionx = []
    positiony = []
    def draw_handler(canvas):
        global pointx, pointy 
    for v in range(len(values)):
        if v != 0:
            prepointx = pointx
            prepointy = pointy
        pointx = v * 6 
        pointy = values[v] - 45 * 2
        canvas.draw_point((pointx, pointy), 'red')
        if v != 0: //Syntax error:bad token '' 
            canvas.draw_line((prepointx, prepointy), (pointx, pointy), 3, 'red')  
        frame = simplegui.create_frame('Data', 425, 300)
        frame.set_draw_handler(draw_handler)

        frame.start

你的代码缩进错了。 values 也没有定义。 但真正的问题可能是frame.start。要调用启动方法,您必须执行 frame.start().

我进行了更正,请参阅: http://www.codeskulptor.org/#user40_zJYfuypQ0CWRHRA.py