Instructions: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
Input: [1215, 'V', 2457, 8139, '2749', '107', 'U', '7179', 'm', '7821', '8441', '2359', '1593', '9013', 'A', '2907', 'R', 'q', 'N', 3561, 8701, 's', 'R', 2223], [4389, 'w', 'D', 'D', 5313, 'y', 'T', '2749', '107', 'U', '7179', 'm', '7821', '8441', '2359', '1593', '9013', 'A', '2907', 'y', 's']
Output:
2749, 107, U, 7179, m, 7821, 8441, 2359, 1593, 9013, A, 2907