In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['A', 9531, '3753', '7635', 'E', 'P', 'v', 5489, 9959, 1741], [2243, 3945, 7813, 'A', '3753', '7635', 'E', 'P', 'V', 2309, 'm']