>>> aa = [[]] * 10
>>> bb = [[] for i in range(10)]
>>> aa == bb
True
>>> aa[0] is aa[1]
True
>>> bb[0] is bb[1]
False
两条语句告诉你Python当中 [[]] * 10 和 [[] for i in range(10)] 的区别
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转载自blog.csdn.net/TomorrowAndTuture/article/details/105528799
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