In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 223, 't', 'e', 's', 'b', 2575, 3983, 'K', 203, 5335, 4741, 9239, 'v', 'Q', '2247', '4981', 'i', '675', '6703', 'j', '6441', 'Z', 'Z', '2433', 'g', 'A', 'v', 'G', 'y', 'U', 5313, 'q', 'l', 7007, 'K', 2481, 'r', 9901], ['a', 'P', 'o', 'v', 'Q', '2247', '4981', 'i', '675', '6703', 'j', '6441', 'Z', 'Z', '2433', 'g', 'G', 3845, 7873, 'I']