In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[EX Q]: ['c', 7387, '4905', '999', '5697', 'G', '9975', 'f', 'I', '2807', '6785', '7473', '9999', '8011', 'W', 'i', 'A', 7573], ['K', 'g', 'b', 'u', 7899, 'k', 's', 223, '4905', '999', '5697', 'G', '9975', 'f', 'I', '2807', '6785', '7473', '9999', '8011', 'h', 7411, 83, 'T', 9199, 't', 9245]
[EX A]: 4905, 999, 5697, G, 9975, f, I, 2807, 6785, 7473, 9999, 8011

[EX Q]: ['N', 'z', 9641, 'z', 'f', 'o', 'L', 'D', 'w', 2793, 'b'], ['Q', 'R', 'z', 'f', 'o', 'L', 'A', 4343, 8711]
[EX A]: z, f, o, L

[EX Q]: ['S', 8335, '6173', 'M', 'D', 'w', 'H'], ['t', 1015, 'Q', '6173', 'M', 'D', 'n', 8917]
[EX A]:
6173, M, D