In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[EX Q]: ['K', 4691, 'I', '2495', '1015', 'L', '581', 'b', 9477], ['k', 2419, 'd', 'I', '2495', '1015', 'L', '581', 'r', 's', 6673, 5755]
[EX A]: I, 2495, 1015, L, 581

[EX Q]: [6017, 2811, '8157', '9625', 'P', 3629], [7857, 1357, '8157', '9625', 'z', 'z']
[EX A]: 8157, 9625

[EX Q]: [3093, 3419, 'c', 7589, '3111', 'c', '9991', 'y', '9557', '4989', '8451', 'G', '3257', 'p', 'U', 8737, 6201], [1347, 6123, 1355, 3639, '3111', 'c', '9991', 'y', '9557', '4989', '8451', 'G', '3257', 'H', 'n', 4943, 6863, 'h', 'j', 'e']
[EX A]:
3111, c, 9991, y, 9557, 4989, 8451, G, 3257