TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['N', 'z', 9641, 'z', 'f', 'o', 'L', 'D', 'w', 2793, 'b'], ['Q', 'R', 'z', 'f', 'o', 'L', 'A', 4343, 8711]

SOLUTION: z, f, o, L

PROBLEM: [443, 'w', 9731, 'M', 'N', 'P', '9231', 'j', 'H', '5851', 'F', 'W', 2301], ['Z', 1747, 6223, 'u', 1065, 'J', 'N', 'P', '9231', 'j', 'H', '5851', 'J', 5037, 9047]

SOLUTION: N, P, 9231, j, H, 5851

PROBLEM: [5559, 7627, 4795, 1067, 'P', 4985, 'j', 95, 9241, 2347, 's', 1037, 1603, 'v', '3921', 'W', '5897', 'c', 'x', 'a', '8207', 'Q', 'j', 'p', 'H', 'C', '6179', 'F', 'T', '8301', 'S', 'b', 2409, 435, 'r', 'g', 7133, 'f', 'm', 'F', 'J'], ['c', 'T', 9933, 'E', 'Q', 3923, 2041, 'e', 'V', 'y', 'R', 7889, 8747, 'G', '3921', 'W', '5897', 'c', 'x', 'a', '8207', 'Q', 'j', 'p', 'H', 'C', '6179', 'F', 'T', '8301', 'H', 6591, 2311, 'P', 'f', 'R', 'J']

SOLUTION:
3921, W, 5897, c, x, a, 8207, Q, j, p, H, C, 6179, F, T, 8301