In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7481, 5757, 'c', 'Z', '2157', 'K', 'Q', '1007', '2301', 'p', '2533', '849', '241', 'l', 'b', 'P', 'k', '8581', 'O', 'E', 's', '8325', 'U', 'A', '5083', 'p', 'F', 'I', 'V', 'D', 'n', 'G', 'O', 'W'], ['T', 'B', 197, 6983, 'F', 9843, 'Z', '2157', 'K', 'Q', '1007', '2301', 'p', '2533', '849', '241', 'l', 'b', 'P', 'k', '8581', 'O', 'E', 's', '8325', 'U', 'A', '5083', 'p', 'F', 'I', 'V', 'D', 'p', 2547, 8355, 'Z', 'y', 'f', 'Z', 'o', 9733, 'R', 5885, 8945, 'b', 3623]