TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['x', 9249, 'X', 'o', '7637', 'q', 'S', '733', '1483', 'T', '7653', 'F', '7879', 'k', '1881', 'Q', 'J', '4517', 'n', 'q', '1919', '381', '4725', 'J', 10001, 'A', 225, 1607, 'a', 'h', 6377], [375, 'D', 4093, 'g', 735, 955, 'c', 9937, 2987, 7035, 'X', 7703, 9937, 'Y', 3849, 2197, 4731, 'X', 'o', '7637', 'q', 'S', '733', '1483', 'T', '7653', 'F', '7879', 'k', '1881', 'Q', 'J', '4517', 'n', 'q', '1919', '381', '4725', 'Y', 'K', 's', 1667, 9723, 3697, 1759, 3243, 'r', 'v', 'Z']

SOLUTION: X, o, 7637, q, S, 733, 1483, T, 7653, F, 7879, k, 1881, Q, J, 4517, n, q, 1919, 381, 4725

PROBLEM: ['Y', 'Z', 'm', 'S', '3631', 'v', 'x', 5851, 615, 'm'], ['D', 'D', 'm', 'S', '3631', 'v', 'O', 'D']

SOLUTION: m, S, 3631, v

PROBLEM: [4273, 5275, '9693', '9949', '2189', '4053', 'l', '3955', 'v', 4093, 5693, 'f', 'e'], [7887, 'R', 'p', '9693', '9949', '2189', '4053', 'l', '3955', 'Z', 8577]

SOLUTION:
9693, 9949, 2189, 4053, l, 3955