In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['i', 8945, 'T', 3355, 'e', 'C', 'k', 'X', 'Q', 2463, 7829, 'Z', '6787', 'J', 'G', 'i', 'Y', 'M', '2723', '3269', '4809', 'l', '8837', 'S', 'g', 'k', 'v', 'h', 'B', 'E', 2961, 2111, 'v', 3871, 355], ['T', 'H', 'o', 7691, 'd', 'B', 7369, 'u', '6787', 'J', 'G', 'i', 'Y', 'M', '2723', '3269', '4809', 'l', '8837', 'S', 'g', 'k', 'E', 'L', 5051, 'b', 'i']