In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['n', 'n', 'C', 'X', 4675, 'B', 6035, 5887, 8627, 'T', '4489', '4545', 'K', '7165', '1239', '7357', '281', 't', '3429', '69', 'z', '6507', '6797', '4769', 'C', '5595', '929', 't', 'a', 'b', 7249, 'f', 'V', 1727, 6175, 'P', 9467], ['V', 'D', 3291, 4673, 'T', '4489', '4545', 'K', '7165', '1239', '7357', '281', 't', '3429', '69', 'z', '6507', '6797', '4769', 'C', '5595', '929', 't', 'c', 'v', 'T', 'b', 'q', 5527, 1289, 7429, 'S', 7517, 'l', 'L', 3671, 'E']