TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [4249, 1307, 'R', '3377', '9383', 'w', '7897', 'S', '1791', 'f', '6787', 'H', 'K', 7197, 3907, 'I', 5561], [8961, 1477, 'X', 'C', 7153, 1005, 'C', '3377', '9383', 'w', '7897', 'S', '1791', 'f', '6787', 'L', 7313, 2449, 4181, 1573]

SOLUTION: 3377, 9383, w, 7897, S, 1791, f, 6787

PROBLEM: ['i', 'f', '7401', 'y', 'D', 's', 'l', '2179', '6257', 'V', 'r', 'r', 'F', 45, 5965, 2375], ['K', 'V', '7401', 'y', 'D', 's', 'l', '2179', '6257', 't', 6019, 4243, 'r', 9711, 'j', 2361]

SOLUTION: 7401, y, D, s, l, 2179, 6257

PROBLEM: ['o', 9491, 8409, 'O', 'o', 'd', 9857, 8833, 1331, 'Q', '1477', 'Y', 'E', '9289', '6629', '9165', 'L', 'E', '903', '6519', '8539', 'U', 7497, 2499, 161, 'C', 'z', 4813, 's', 'a', 4355], ['d', 'k', 'e', 't', 'B', 'P', 'D', 6715, 'Q', '1477', 'Y', 'E', '9289', '6629', '9165', 'L', 'E', '903', '6519', '8539', 'a', 'O', 7067, 'M', 3541, 'u']

SOLUTION:
Q, 1477, Y, E, 9289, 6629, 9165, L, E, 903, 6519, 8539