In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7887, 'b', 221, 'K', 883, 'a', 'G', '2483', '1627', '1601', 'r', 'D', 'A', 'Y', 'H', 'm', 2077, 'R', 'K'], ['d', 4425, 'i', 5369, 7231, 'A', '2483', '1627', '1601', 'r', 'D', 'A', 'Y', 't', 127, 's', 5725]