In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['s', 2567, 'X', 7485, 6407, 'C', 4885, 6277, 5055, 4627, 'O', 'o', 7761, 9431, 'w', 621, 'V', 'p', 'k', 'J', 'j', 9651, 37, '1869', '6227', '7919', '8537', '125', '2461', 'I', 'O', 'N', '3581', 'G', '4669', 'y', '453', '6023', 't', 'T', '5719', '7501', 'S', '2917', '1329', 'V', 'Y', 'q', 'U', 'd', 'H', 'D'], ['Z', 'K', 'P', 'Y', '1869', '6227', '7919', '8537', '125', '2461', 'I', 'O', 'N', '3581', 'G', '4669', 'y', '453', '6023', 't', 'T', '5719', '7501', 'S', '2917', '1329', 'V', 'Y', 'q', 'i', 3691, 227, 8845, 'U', 65]