In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7847, 'D', 5673, '8533', 'h', 'A', 'h', 'f', 'I', '113', 't', 'f', '569', 'J', '8403', 'H', 'M', '5327', 'n', '3463', '3861', '2507', 'S', 'S', 'a', 'Z', 'r', 'y', 'v', 5197, 9675, 2029, 1371, 3569, 7205, 2813, 3537, 'C', 8479, 'l', 8899, 'x', 7891], [7853, 't', 1335, 'b', 'h', 'V', 'e', 5941, 5945, 6905, 215, 'X', 'Y', 2843, 'X', 6717, '8533', 'h', 'A', 'h', 'f', 'I', '113', 't', 'f', '569', 'J', '8403', 'H', 'M', '5327', 'n', '3463', '3861', '2507', 'S', 'S', 'a', 'Z', 'r', 'm', 4617, 'z', 4707, 3783, 'E', 'o', 'M', 5009, 'a', 3261, 'T', 'q', 'I', 'A', 'T', 7101, 'V', 'K', 7733, 4365, 'T', 'W', 2335]