In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['E', 'K', 'q', '4883', '1597', '9783', '3721', 'O', '9629', '6157', 'p', '8735', 'C', 4505, 7133, 7655], [7467, 8397, 'V', 1883, 't', 'q', '4883', '1597', '9783', '3721', 'O', '9629', '6157', 'p', '8735', 'N', 4397, 5179, 'B']