我试图在下面的列表列表中找到一个字母的索引:
例如:
>>> alphabet = [[["A","B","C"],["D","E","F"],["G","H","I"]],[["J","K","L"],["M","N","O"],["P","Q","R"]],[["S","T","U"],["V","W","X"],["Y","Z","_"]]]
>>> find("H",alphabet)
(0,2,1)
最恐怖的做法是什么？