In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 6427, 5497, 'c', 'd', 'n', 'd', 5135, 9671, 8217, 'A', '3017', 'y', 'r', 'l', '583', 'p', '8087', '5475', 'n', '5709', '6481', '359', '4719', 'C', '9857', '7525', '9533', '6713', '8411', 'K', 'o', 'V', 7765, 'z', 8149, 607, 335], ['a', 'M', 'J', 4125, 61, 'A', '3017', 'y', 'r', 'l', '583', 'p', '8087', '5475', 'n', '5709', '6481', '359', '4719', 'C', '9857', '7525', '9533', '6713', '8411', 'K', 'U', 'e', 4881, 'X', 'X', 'g', 'n', 'T', 1541, 1235, 7115, 1233, 'n', 'P', 2273]