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

[EX Q]: ['N', 'z', 9641, 'z', 'f', 'o', 'L', 'D', 'w', 2793, 'b'], ['Q', 'R', 'z', 'f', 'o', 'L', 'A', 4343, 8711]
[EX A]: z, f, o, L

[EX Q]: ['U', 2021, 9935, '873', 'T', '9883', 'y', 8789, 'v'], ['g', 7321, '873', 'T', '9883', 'p', 9721]
[EX A]: 873, T, 9883

[EX Q]: ['C', 6385, 'P', 'Q', 'R', 'j', 'A', '8303', '9795', '5121', '8429', 'Y', '3503', '6149', '7725', 'G', '7965', 'u', '6133', '877', 'W', 'w', 'H', '7897', '7253', 'o', 'b', 'Q', 4885, 1307, 'f', 'J', 9821, 1769, 'M', 'A', 5751, 3357, 29, 'Z', 'v', 'Y'], [6325, 'p', 'V', 9157, 'o', 'f', 'y', 'A', '8303', '9795', '5121', '8429', 'Y', '3503', '6149', '7725', 'G', '7965', 'u', '6133', '877', 'W', 'w', 'H', '7897', '7253', 'u', 4413, 8985, 9899, 3583]
[EX A]:
A, 8303, 9795, 5121, 8429, Y, 3503, 6149, 7725, G, 7965, u, 6133, 877, W, w, H, 7897, 7253