我正在做一个python程序,用codeskulptor创建一个图形,我遇到了这个错误,我不知道它有什么问题,我该如何解决它? 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
你的代码是错误的缩进。 也没有定义
values
。 但真正的问题可能是frame.start
。要调用start方法,必须执行frame.start()
。在我做了更正,看: http://www.codeskulptor.org/#user40_zJYfuypQ0CWRHRA.py
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