TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [8235, 6785, 'P', 'N', 'y', '5503', '6065', '2039', 'Q', 'o', 'F', 7791, 'R', 'm', 3633], ['s', 863, 'z', 'y', '5503', '6065', '2039', 'Q', 'o', 'o', 6907, 5837, 's', 2553]

SOLUTION: y, 5503, 6065, 2039, Q, o

PROBLEM: ['L', 'q', 'C', 'c', 6507, 'x', 'C', 8247, 2327, 'q', 9785, 'U', 1653, 5189, 1035, 5417, 7385, 3065, 8415, '765', 'D', 'Z', '2235', 'f', '6389', 'e', '4773', 'm', '6621', '1741', '3119', '9893', 'd', 's', '6143', '3079', '4281', 'T', '261', 'H', '7583', 'L', '8421', 'k', 'F', 9173, 'a'], [3971, 6169, '765', 'D', 'Z', '2235', 'f', '6389', 'e', '4773', 'm', '6621', '1741', '3119', '9893', 'd', 's', '6143', '3079', '4281', 'T', '261', 'H', '7583', 'L', '8421', 'H', 'y', 'G', 'a', 'W', 'v', 6451, 4577, 'f', 8945, 'N', 'd', 4649, 'E', 5397, 8145, 'y', 1997, 7353, 'c', 3473, 'k', 'Z', 8131]

SOLUTION: 765, D, Z, 2235, f, 6389, e, 4773, m, 6621, 1741, 3119, 9893, d, s, 6143, 3079, 4281, T, 261, H, 7583, L, 8421

PROBLEM: [3163, 7633, '8515', 'a', '4805', 'S', 6237], ['J', 'c', '8515', 'a', '4805', 'Z', 3259]

SOLUTION:
8515, a, 4805