In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7411, 'I', 5969, 1859, '2167', '705', '453', '3403', 'l', 'q', 2875], [2903, 8185, 'Z', '2167', '705', '453', '3403', 'l', 'i', 's', 'k', 8945]