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', 'H', 'i', 1013, 5655, 'y', 4853, 'Q', 1209, 'w', 'w', 'a', 'w', 7329, '961', 'j', '1783', '7579', 'e', '6525', 'Y', 'K', 'P', '293', '4793', '7251', '531', '3813', '4103', 'o', '6039', '9175', '3041', 'p', 'D', 'u', '7075', 'G', 'i', 'w', 4131, 867, 'y', 3835, 'o', 't', 1181, 4425, 'P'], ['J', 4263, 'Z', 9575, 'W', 'h', 'j', 9697, 4711, 'D', 9269, 1163, 7659, 8523, 'f', 'W', 'L', 'h', 'i', '961', 'j', '1783', '7579', 'e', '6525', 'Y', 'K', 'P', '293', '4793', '7251', '531', '3813', '4103', 'o', '6039', '9175', '3041', 'p', 'D', 'u', '7075', 'G', 'n', 'i', 71]

SOLUTION: 961, j, 1783, 7579, e, 6525, Y, K, P, 293, 4793, 7251, 531, 3813, 4103, o, 6039, 9175, 3041, p, D, u, 7075, G

PROBLEM: [9605, 301, 3815, '3555', '8399', '2421', '6579', 'I', 'g', 's', 'a', 'T', 'w', 7419, 1721, 3853, 5703], ['J', 1425, 3627, 3619, '3555', '8399', '2421', '6579', 'I', 'g', 's', 'Y', 'R', 4039, 'y']

SOLUTION: 3555, 8399, 2421, 6579, I, g, s

PROBLEM: [8401, 4875, 'O', 6829, '6121', '941', 'L', 'p', '1509', '5263', '1503', 'k', 'n', 9959, 'T', 10009], [7505, 8387, 'b', '6121', '941', 'L', 'p', '1509', '5263', '1503', 'c', 'V', 'v', 'w']

SOLUTION:
6121, 941, L, p, 1509, 5263, 1503