In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['p', 4281, 2505, 4493, 'w', 'h', 'y', 9125, 'J', 9673, 6219, 'o', 'Z', 'P', 'q', '797', '2753', 'u', 'M', 'v', 'T', 'u', '7259', 'E', '7785', 'Z', 'X', 'P', '6385', 'f', '6853', '5543', '7949', '1987', 'f', '3295', '1999', '8529', '4801', 'S', 'Q', 'C', 'B', 'H', 'E', 'L', 's', 9999, 8289, 8995, 6541, 'q', 8845, 'M', 'G', 1287, 2875, 'o', 5465, 9727, 'n', 'h', 2973, 6813, 2463, 'V', 5477], ['V', 1909, 1743, 8987, 'I', 'e', 6937, 'Z', 'p', 7489, 'i', 7915, 'y', 9837, '797', '2753', 'u', 'M', 'v', 'T', 'u', '7259', 'E', '7785', 'Z', 'X', 'P', '6385', 'f', '6853', '5543', '7949', '1987', 'f', '3295', '1999', '8529', '4801', 'S', 'Q', 'C', 'B', 'H', 's', 1559, 'c', 521, 8637, 'B', 'Y', 'l', 'i', 'j', 4223, 1871, 1523, 7607, 'g', 'n', 'I', 'S', 9229, 6489, 'S', 'A', 8483, 2739, 7517, 'Y']