In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['z', 1501, 'Y', 'j', 739, 2299, 1403, '9415', '1327', 'N', '7037', '1141', 'E', 'k', 'P', 'x', 'Y', '7523', '8103', '6761', 'C', '4575', 'o', 's', '5519', 'E', '6473', '1235', 'W', '2813', 'U', 'Y', 'n', 'b', 'j', 'y', 4271, 5375, 7063, 449, 7823, 6189, 4411, 4601, 'O', 7507, 'A', 9883, 8503, 't', 'g', 'o', 1801, 6371, 7115, 93], [9153, 5477, 'k', 'n', 'Q', 'b', 4967, 'J', 'I', 7279, 'U', 4925, 9599, 'h', 1131, 'a', 3901, '9415', '1327', 'N', '7037', '1141', 'E', 'k', 'P', 'x', 'Y', '7523', '8103', '6761', 'C', '4575', 'o', 's', '5519', 'E', '6473', '1235', 'W', '2813', 'U', 'Y', 'n', 'O', 8005, 'w', 953]