In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['W', 445, 'S', 'r', 'd', 'X', 'v', 'F', 'N', 3151, 9467, 'K', '7085', '7281', '5557', '8067', '4661', '869', '9535', '8095', '7743', 'k', '7569', '3229', 'F', 'Y', 'V', '761', 'V', 'h', 'S', 'T', 665, 'Y', 3741, 'b', 6527, 3107, 3779, 845], [4145, 'm', 7285, 8607, 7681, '7085', '7281', '5557', '8067', '4661', '869', '9535', '8095', '7743', 'k', '7569', '3229', 'F', 'Y', 'V', '761', 'V', 'h', 'o', 'U']