TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [6211, 8013, 7837, 3385, 'z', 7301, 'D', 'Y', 'Q', 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'I', 'k', 5831], ['A', 'N', 'I', 4579, 'R', 'P', 4559, 3977, 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'D', 7909, 'x']

SOLUTION: Y, W, 473, 9037, K, V, 7669, R, 6605

PROBLEM: ['s', 'J', 2223, 'y', 'v', '9315', '8837', 'z', '8583', 'o', 'c', 'V'], ['E', 5699, 1225, 'f', '9315', '8837', 'z', '8583', 'o', 'u', 'j']

SOLUTION: 9315, 8837, z, 8583, o

PROBLEM: [6469, 'q', 737, 3633, '3641', '8603', '3629', 'i', '8925', '633', 'd', 'I', 'O', '257', '2299', 'X', '1489', 'Z', 9053], ['e', 'G', 'r', 9849, 1851, 1219, 'c', 6321, '3641', '8603', '3629', 'i', '8925', '633', 'd', 'I', 'O', '257', '2299', 'X', '1489', 'M', 'Z', 'w', 6975, 'g', 'y', 1047]

SOLUTION:
3641, 8603, 3629, i, 8925, 633, d, I, O, 257, 2299, X, 1489