Q: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['A', 'O', 4723, 'U', 5249, 4007, 2063, 9257, 5945, 2313, 5683, 3363, 'a', 'I', '2757', 'q', '4401', 'O', '6473', 'I', 'B', 'A', 'Q', 'E', 'u', 'k', 'b', 'R', '6157', 'I', '9765', 'A', 'V', 'r', '525', '5591', '7259', '3065', '2345', 'f', '9253', 'H', 'T', 'U', 'q', 867, 1943, 'i', 4339, 'X', 'F', 7583], [6133, 'T', 9009, 4383, 'p', 'N', 'z', 7023, 'z', 'Z', 1391, 9013, 'v', 2789, '2757', 'q', '4401', 'O', '6473', 'I', 'B', 'A', 'Q', 'E', 'u', 'k', 'b', 'R', '6157', 'I', '9765', 'A', 'V', 'r', '525', '5591', '7259', '3065', '2345', 'f', '9253', 'H', 'k', 3925, 'Q', 'd', 839, 'e', 595, 3553, 'n', 'q', 'j', 'Y']
A:
2757, q, 4401, O, 6473, I, B, A, Q, E, u, k, b, R, 6157, I, 9765, A, V, r, 525, 5591, 7259, 3065, 2345, f, 9253, H