TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['W', 'A', '5747', 'i', 'M', 'N', 8861], [1997, 'D', 5205, '5747', 'i', 'M', 'D', 3319, 1895]

SOLUTION: 5747, i, M

PROBLEM: [7395, 6997, 'Z', 2015, 'v', '4045', 'F', 'O', 'N', 'k', '6013', 'C', 8179, 4675, 'x', 'k', 'V'], ['P', 'A', 'v', '4045', 'F', 'O', 'N', 'k', '6013', 'k', 7667, 3913, 5111, 1215, 'r', 'g']

SOLUTION: v, 4045, F, O, N, k, 6013

PROBLEM: [4413, 9575, 4467, 'S', 9885, 7367, '7511', 'V', 'L', 'g', '3323', 'G', 'P', 'c', '9157', 'W', 'n', 'b', 'L', 'n', 'y', 'b', 6723, 'I', 4213], [969, 8389, 'a', 'W', 'X', 8237, 'G', 'J', 'X', 6663, '7511', 'V', 'L', 'g', '3323', 'G', 'P', 'c', '9157', 'W', 'n', 'b', 'L', 'I', 'A', 9739, 8239, 'C', 'T', 4805, 7801, 6179, 'j', 8205, 5841]

SOLUTION:
7511, V, L, g, 3323, G, P, c, 9157, W, n, b, L