链接它们(仅创建一个生成器,而不是保留额外的内存):
>>> from itertools import chain>>> l = [(1,2,3),(4,5,6)]>>> list(chain.from_iterable(l))[1, 2, 3, 4, 5, 6]

链接它们(仅创建一个生成器,而不是保留额外的内存):
>>> from itertools import chain>>> l = [(1,2,3),(4,5,6)]>>> list(chain.from_iterable(l))[1, 2, 3, 4, 5, 6]