问题
I followed a tutorial and copied the code exactly, though it only produces a pygame window with a black screen. Here is the link to the code(exactly as i typed it out):
http://www.dreamincode.net/forums/topic/83308-introduction-to-pygame-part-1/
It is correct as in the tutorial, yet does not work. I am using python 3.3.2 and pygame-1.9.2a0.win32-py3.3.msi.
来源：https://stackoverflow.com/questions/17767315/code-only-produces-black-screen-in-pygame-window