python技巧:拆分多层嵌套列表

>>> import itertools
>>> a = [[1, 2], [3, 4], [5, 6]]
>>> list(itertools.chain.from_iterable(a))
[1, 2, 3, 4, 5, 6]

猜你喜欢

转载自www.cnblogs.com/everfight/p/python_itertools.html