In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['u', 9259, 'G', 9877, 8521, 'P', 'E', '1761', '1259', '1509', 'Z', '7183', 'x', '4489', 'S', '1573', 'n', '545', '7589', '6747', 'z', '8077', 'j', '923', '2493', '4471', '1565', '1717', '8657', 'r', 'W', 'q', 'B', 'P', 'T', 'A', 'g', 'c', 2763, 'T', 5803, 4613, 6481, 'd', 2037, 'u', 'r', 1205, 7077, 1369, 'E', 'Y', 'n', 'w', 'Q', 'o'], [1511, 5427, 1943, 'n', 'a', 'V', 5657, 'o', 2883, 4559, 'a', 4661, 'U', 3645, 1191, 5207, 9575, 1579, 'Z', 's', 1181, 'E', '1761', '1259', '1509', 'Z', '7183', 'x', '4489', 'S', '1573', 'n', '545', '7589', '6747', 'z', '8077', 'j', '923', '2493', '4471', '1565', '1717', '8657', 'r', 'W', 'q', 'B', 'P', 'T', 'P', 'F', 'J', 's', 'Z', 4467, 'c', 301, 7259]