TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['K', 1657, '5001', '8571', '2343', '9471', 'P', '6369', '9299', 'X', 'n', 3631, 'o', 'm'], ['P', 6249, 7565, 's', 1041, 'V', 'D', '5001', '8571', '2343', '9471', 'P', '6369', '9299', 'n', 'U', 'z', 2559, 5379, 6985, 6059]

SOLUTION: 5001, 8571, 2343, 9471, P, 6369, 9299

PROBLEM: [7395, 6997, 'Z', 2015, 'v', '4045', 'F', 'O', 'N', 'k', '6013', 'C', 8179, 4675, 'x', 'k', 'V'], ['P', 'A', 'v', '4045', 'F', 'O', 'N', 'k', '6013', 'k', 7667, 3913, 5111, 1215, 'r', 'g']

SOLUTION: v, 4045, F, O, N, k, 6013

PROBLEM: [3905, 5041, 'D', 4891, 2991, 'J', 't', 'k', 7497, 'H', '3237', '8489', 'H', '9851', '5433', '7679', '3595', 'X', 'k', '3093', 'm', 'Z', 9115, 'u', 'B', 'M', 'P', 6261, 8787, 9407, 4847, 'I', 3787], ['u', 'm', 1231, 9321, 'H', '3237', '8489', 'H', '9851', '5433', '7679', '3595', 'X', 'k', '3093', 'm', 'V', 8765, 2265, 'J', 'U', 189]

SOLUTION:
H, 3237, 8489, H, 9851, 5433, 7679, 3595, X, k, 3093, m