In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Y', 'a', 'F', 485, 1833, 'l', 'Q', '5781', '6637', '195', '2263', 'o', '4093', '4483', 'F', 'I', '8061', '2057', '6235', 'i', 'i', '2267', 'Q', 'n', 'G', 4141, 'O', 1189, 5827, 3953, 7519, 1769, 5549, 'V', 'Q', 'u', 9921, 'w'], ['u', 9755, 7555, 'p', '5781', '6637', '195', '2263', 'o', '4093', '4483', 'F', 'I', '8061', '2057', '6235', 'i', 'i', '2267', 'Q', 'n', 'v', 693, 'm', 'w']