i 正在使用 it。 产品功能。 i 有一个2个整份清单,即一份易读清单。 i 想通过产品机体了解如何正确格式。
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In [37]: [k for k in product([1,2],[ a , b ])]
Out[37]: [(1, a ), (1, b ), (2, a ), (2, b )]
而是由nes的“清单”投入产生的。
nested_list = [[1,2],[ a , b ]]
but instead i get
In [36]: [k for k in product(nested_list)]
Out[36]: [([1, 2],), ([ a , b ],)]
list(product(*nested_list)) # without list() normally, of course
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