In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2469, 1721, 'k', 'w', 10005, 3179, 'A', 4563, 'I', 'U', 'P', 6947, 4561, 'q', 3681, '9105', '1827', 'z', 'D', '407', 'h', '5031', 'a', '9449', 's', '2383', '8955', '2315', 'U', 'B', 'W', 'C', '741', 's', 'y', 4579, 2443, 1741], ['m', 'z', 'h', 'X', 'o', '9105', '1827', 'z', 'D', '407', 'h', '5031', 'a', '9449', 's', '2383', '8955', '2315', 'U', 'B', 'W', 'C', '741', 's', 'w', 3153, 4323, 6437, 1435, 'd', 5119]