TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['P', 'S', 9171, 'k', 'W', 4523, 'Z', 4167, 'c', 1143, '4943', '2193', '6839', '5745', 'N', '219', '9797', '8987', '9105', '1975', '3513', '81', 'D', 'n', 'R', 'J', 'z', 'O', 'f', 2527, 7395, 'v', 6495, 9929, 'W', 8051], [9499, 't', 1453, 5771, 7923, 857, 359, 3273, 'a', 6789, '4943', '2193', '6839', '5745', 'N', '219', '9797', '8987', '9105', '1975', '3513', '81', 'D', 'n', 'h', 'f', 2835, 9965, 2423, 6015]

SOLUTION: 4943, 2193, 6839, 5745, N, 219, 9797, 8987, 9105, 1975, 3513, 81, D, n

PROBLEM: ['l', 8387, '6019', 'r', 't', 'Y'], ['S', 'q', '6019', 'r', 'Z', 9863]

SOLUTION: 6019, r

PROBLEM: [6707, 4665, 1297, 6061, 'y', 3289, 'e', '237', '7323', '7497', '643', '6877', '8967', 'z', 'l', '169', 'k', '5625', 'D', '1005', 'B', '3261', 'b', 2623, 'w', 7747, 803, 6937, 'U', 2293, 'w', 5115], ['i', 'r', 'O', 8029, 'h', 'S', 'S', 'A', 'n', 'I', 4249, 4905, '237', '7323', '7497', '643', '6877', '8967', 'z', 'l', '169', 'k', '5625', 'D', '1005', 'B', '3261', 'v', 8901, 6891, 'F', 4307, 6073, 'G', 4079, 2601, 'b', 'b', 'Z', 3527, 'b', 'U']

SOLUTION:
237, 7323, 7497, 643, 6877, 8967, z, l, 169, k, 5625, D, 1005, B, 3261