In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['o', 6831, 'y', 'F', 7163, 'a', 2503, 'M', 673, 'r', 'X', 6221, 321, 3549, 'e', 'M', 6097, 'u', 9345, 'u', 7041, 'X', 2613, 'V', 'O', 'G', 'y', 7231, 5943, 'j', '7783', '3103', 'j', 'k', '4347', 'a', '7969', '5771', 'k', '8951', 'C', '861', 'I', 'E', 'F', '7329', 'Z', 's', 'z', '1617', '7783', '5447', 'u', 'Z', 'n', 'U', '3687', '6809', '8443', 'Y', 'd', 9907, 2813, 7931, 'y', 5111, 'L', 'k', 8989, 2385, 6761, 'b', 'Q', 3295, 4275, 'c', 841, 4591, 'F', 1843, 3211, 'l', 'k', 3259], [4203, 5235, 'o', 2101, 1487, 3689, 7709, 7743, 'K', 6975, 3795, 'I', 'I', 6395, 's', 8179, 6959, 'I', 'f', '7783', '3103', 'j', 'k', '4347', 'a', '7969', '5771', 'k', '8951', 'C', '861', 'I', 'E', 'F', '7329', 'Z', 's', 'z', '1617', '7783', '5447', 'u', 'Z', 'n', 'U', '3687', '6809', '8443', 'Y', 'E', 'H', 'T', 8323, 'B', 'm', 4773, 'D', 'P', 'S', 'g', 8761, 9633, 5003, 'Q', 'H', 'J', 7597, 'k', 6983]