In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['s', 'w', 4463, 4787, 6033, 'j', 7291, 'x', 427, '1823', 'v', '9771', '4541', 'T', '8675', '4759', '7001', 'v', '6849', 'W', 'o', '9773', 'T', 'U', '435', '8657', '39', '7163', 'Y', '507', 'N', 'A', 'z', 917, 6583, 'n', 1669, 'n', 8321, 'q', 'F', 'L', 'v', 'I'], [6455, 's', 6399, 'C', 'w', 2047, 2153, 'p', 'V', 'M', 929, 8907, 'R', 'V', 'k', 'A', 9197, 'b', 'E', 'j', 2759, '1823', 'v', '9771', '4541', 'T', '8675', '4759', '7001', 'v', '6849', 'W', 'o', '9773', 'T', 'U', '435', '8657', '39', '7163', 'Y', '507', 'i', 'e', 'w', 'n', 'Z', 1841, 2193, 6003, 3453, 'O', 4951, 1847, 2515, 'P', 'D', 5443]