In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 6387, 'n', 4489, 'y', 4253, 5475, 7777, 193, 'Q', 'G', 'E', 'w', 'B', '8785', 'L', 'Z', 'y', '2961', 'S', 'X', '6317', 'o', '1709', 'B', '2637', '4081', '2557', 'L', 'm', 'K', '1711', 'w', 9719, 'o', 3273, 'B', 4337, 601, 1783, 'v', 4613, 'l', 5835, 'w', 'P', 'A', 'T', 8257, 't'], ['f', 'F', 3097, 1409, 4147, 3371, '8785', 'L', 'Z', 'y', '2961', 'S', 'X', '6317', 'o', '1709', 'B', '2637', '4081', '2557', 'L', 'm', 'K', '1711', 'A', 'j', 3497, 2277]