TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['r', 'y', 1455, 'v', 631, 'q', '5453', '9015', '1127', 'R', 'B', '5487', 'M', '7325', 'L', 'D', '2897', 'z', '7191', '3383', 'E', 't', 't', '963', '2363', '3641', '9827', '6879', '3917', 'm', 'Y', 'w', 'T', 'v', 'v', '3263', 'f', 1003, 'E', 't'], ['r', 5091, 'e', 'i', 'L', 'x', 'D', 'q', 'z', 'M', 707, 'N', 'f', '5453', '9015', '1127', 'R', 'B', '5487', 'M', '7325', 'L', 'D', '2897', 'z', '7191', '3383', 'E', 't', 't', '963', '2363', '3641', '9827', '6879', '3917', 'm', 'Y', 'w', 'T', 'v', 'v', '3263', 'F', 4349, 3915, 6951, 7337, 7671, 3435, 9177, 'G', 'h', 'Q', 'j', 'v', 'q']

SOLUTION: 5453, 9015, 1127, R, B, 5487, M, 7325, L, D, 2897, z, 7191, 3383, E, t, t, 963, 2363, 3641, 9827, 6879, 3917, m, Y, w, T, v, v, 3263

PROBLEM: [3759, 7101, '5609', '5115', '6103', '3685', '3055', '4987', '3865', '2369', '5093', '9485', '119', 's', 1947, 4631, 855, 'b', 7601, 9341, 'n', 'S', 'w', 'U'], ['E', 'S', 'M', '5609', '5115', '6103', '3685', '3055', '4987', '3865', '2369', '5093', '9485', '119', 'L', 4431, 4213]

SOLUTION: 5609, 5115, 6103, 3685, 3055, 4987, 3865, 2369, 5093, 9485, 119

PROBLEM: [6229, 'b', 2871, 'P', 1547, 'f', '3207', '6941', '5471', 'j', 'k', '8071', 'u', 4673, 8239, 'O', 8579], ['I', 3723, 'w', 'R', 2935, 'z', 'f', '3207', '6941', '5471', 'j', 'k', '8071', 'A', 7785, 8171]

SOLUTION:
f, 3207, 6941, 5471, j, k, 8071