In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['P', 'p', 'r', 4083, 3365, 'O', 'c', 'I', 'Z', '9375', 'y', 'z', '1481', '225', '8929', 'n', 'I', 2077], ['Q', 8623, 8763, 'j', 2305, 'i', 'I', 'Z', '9375', 'y', 'z', '1481', '225', '8929', 'n', 'X', 'X', 's', 2333, 'I', 5549, 'j', 5453, 'I']