In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['P', 'm', 'e', 'I', 'f', 511, 'm', '6059', '6527', '5607', 'Q', '6465', '4741', 't', '9667', '1621', 'W', '3617', 'i', '6341', 'P', '1347', '9343', '8303', '2911', 'w', 'e', '7725', 'a', 5187, 75, 'J', 4265, 's', 'L', 1309, 'k', 2053], ['I', 'i', 3957, 2243, 'd', 'z', 'a', 'D', 6093, 8795, 'C', 'N', 985, 3891, 7123, 6277, '6059', '6527', '5607', 'Q', '6465', '4741', 't', '9667', '1621', 'W', '3617', 'i', '6341', 'P', '1347', '9343', '8303', '2911', 'w', 'e', '7725', 'R', 2361, 'W', 6679, 5803, 'b', 'a', 'B', 'U', 1967, 'i', 6527, 3645, 4275, 3703, 'K', 4227, 6787]