TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['o', 'f', '955', 'y', 'O', 2181], ['M', 'l', '955', 'y', 'h', 5209]

SOLUTION: 955, y

PROBLEM: ['i', 2711, 6903, 1929, 2863, 'b', 5091, 'C', 'g', 'O', '3689', 'B', '6851', '605', '811', '8847', 'a', '3649', '5787', 'B', '6611', 'S', 'M', 5859, 'C', 7687, 'N', 1227, 5881, 8139, 'L', 'u', 1299], [4083, 2455, 'q', 'L', 3689, 'l', 'd', 9587, 'I', 'N', 'O', '3689', 'B', '6851', '605', '811', '8847', 'a', '3649', '5787', 'B', '6611', 'S', 'V', 7521, 'F', 3951, 'm', 'E']

SOLUTION: O, 3689, B, 6851, 605, 811, 8847, a, 3649, 5787, B, 6611, S

PROBLEM: ['k', 'K', 1545, '7445', 'Z', 'k', 'c', '8879', '815', '2001', 'v', 'e', 'u', '9487', '1711', 'S', 'A', '5617', 'H', 'd', '6937', 'J', 'F', '9287', 'T', 4183, 367, 'W', 7431, 'p', 'G', 's', 4817, 'W', 'y', 189, 3373, 'u', 'k', 645, 6957, 7007, 'V', 'h'], ['z', 'L', 'o', 9195, 5341, 6007, 7, 'S', 2177, 199, 'Q', 63, 9287, 'F', 2145, '7445', 'Z', 'k', 'c', '8879', '815', '2001', 'v', 'e', 'u', '9487', '1711', 'S', 'A', '5617', 'H', 'd', '6937', 'J', 'F', '9287', 'X', 9459, 'M', 5363, 5217, 'D', 'x', 'w', 'n', 'V', 'A', 'U', 2917, 'B', 9999]

SOLUTION:
7445, Z, k, c, 8879, 815, 2001, v, e, u, 9487, 1711, S, A, 5617, H, d, 6937, J, F, 9287