In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['h', 'l', 2659, 5135, 4075, 'B', 'Z', 7075, '8385', 'I', '5937', 'N', 'H', '7143', '9643', '7171', 'z', 'c', 'A', '2163', 'm', 5383, 'S', 8583, 3589, 'S'], [5819, 317, 1243, 6949, 3195, 'A', 'p', 'F', 'Z', 4825, 'U', '8385', 'I', '5937', 'N', 'H', '7143', '9643', '7171', 'z', 'c', 'A', '2163', 'Y', 'r', 7985, 'T', 'F', 3637, 'D', 2203, 6855, 'W', 'Z', 4121]