1.对序列进行分组的函数(摘自web.py源码utils.py文件中)123456789101112131415161718192021def group(seq, size): """ Returns an iterator over a series of lists of length size from iterable. >>> list(group([1,2,3,4], 2)) [[1, 2], [3, 4]] >>> list(group([1,2,3,4,5], 2)) [[1, 2], [3, 4], [5]] """ def ta
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