TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['z', 'F', 'H', 'E', 1495, 'u', 't', 'm', 'o', '1165', 'b', 75, 'B'], ['n', 'H', 'M', 'j', 3999, 'u', 't', 'm', 'o', '1165', 'r', 'x', 'W']

SOLUTION: u, t, m, o, 1165

PROBLEM: [901, 'l', '4509', '5969', '517', 'T', 'G', '3221', 'E', 'f', 'c', '7993', 'R', 'I', 'g', 'R', 'r', 1103, 9941, 'A', 'b'], [9075, 'z', 'w', '4509', '5969', '517', 'T', 'G', '3221', 'E', 'f', 'c', '7993', 'R', 'I', 'G', 245, 865, 'x', 2117, 'G', 'w', 'Q', 6337, 'I', 'B']

SOLUTION: 4509, 5969, 517, T, G, 3221, E, f, c, 7993, R, I

PROBLEM: ['P', 'd', 1789, 'B', 'O', '7875', 'H', '6523', 'c', 'Y', 8981], ['T', 'p', 'U', 8591, 'j', 'y', 'B', 'O', '7875', 'H', '6523', 'c', 'P', 3179, 'G', 609, 'm']

SOLUTION:
B, O, 7875, H, 6523, c