小编Mal*_*lte的帖子

我有一个列表列表(在erlang中,字符串是列表),如下所示:

[ "ABC", "DEF"]

我希望在函数返回的列表中获得以下组合:

["ad","ae","af","bd","be","bf","cd","ce","cf"]

是否可以使用列表理解？我事先不知道列表的维度