Definition: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
Input: [5439, 5851, 8217, 'f', 177, 2505, 9047, 4915, 5677, 'J', 'c', 'E', 4411, 8719, 9695, 'n', 39, 3475, 'm', 8237, 7657, 'L', 'U', '7853', 'S', 'u', '1629', 'q', '9679', '3171', 'N', 'z', '5045', '9185', '2323', '8495', 'R', '2021', 't', 'z', 's', 'D', 'Z', '6237', 'i', 'x', 2665, 'N', 'i', 1027, 'O', 8421, 'T'], ['T', 9899, 'S', 1585, 7383, 'L', 7057, 'n', 'm', 'R', 6433, 4309, 'U', '7853', 'S', 'u', '1629', 'q', '9679', '3171', 'N', 'z', '5045', '9185', '2323', '8495', 'R', '2021', 't', 'z', 's', 'D', 'Z', '6237', 'i', 'y', 'j', 'y', 'q', 641, 'q', 2057, 4455, 'h', 'V', 'r', 559, 'T', 1053, 'm', 2595, 'p', 3361, 'd']
Output:
U, 7853, S, u, 1629, q, 9679, 3171, N, z, 5045, 9185, 2323, 8495, R, 2021, t, z, s, D, Z, 6237, i