In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['w', 7805, 'n', 'M', 's', 'F', 4577, 1435, 6117, 'X', 8279, 'm', 7675, 2535, '4247', 'b', 'W', '9063', 'G', '79', 'V', '7187', 's', 'D', 'y', '9695', '6711', '1581', '4487', '5701', 'D', 't', 'q', 'x', 'h', '2607', '8767', 'O', 7475], ['G', 2331, 'T', 3975, 5027, 243, 7701, 'D', 8625, 637, 999, 5295, 'J', 1511, 4815, 'z', 2411, 6255, 2161, 1465, 'c', '4247', 'b', 'W', '9063', 'G', '79', 'V', '7187', 's', 'D', 'y', '9695', '6711', '1581', '4487', '5701', 'D', 't', 'q', 'x', 'h', '2607', '8767', 'k', 'W', 'o']