In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['g', 'L', 9627, 6103, 'o', 6249, 'y', 8507, '811', 'L', '9499', 'l', '4373', 'W', '6221', '6333', 'O', 'h', 'V', 'W', '1419', 'P', 'E', 'g', 5939, 'W', 'M', 2797, 2491, 'Q', 7087, 4431], [1655, 8911, 'n', 'U', 'Z', 1897, 'D', 'g', 821, 2745, 'f', 'I', 2127, '811', 'L', '9499', 'l', '4373', 'W', '6221', '6333', 'O', 'h', 'V', 'W', '1419', 'p', 1425, 5499, 'I', 2589, 'Y', 'w', 5795, 3979, 'K', 1729]