TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['i', 'n', '7509', '7241', 'V', 'k', 205, 'H'], ['s', 4349, 7023, '7509', '7241', 'V', 'O', 't', 9237]

SOLUTION: 7509, 7241, V

PROBLEM: [4339, 'i', 7857, 315, 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'i', 7649, 'F', 'g', 6973], ['r', 5097, 5467, 't', 'N', 'Y', 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'l', 837, 643, 2055, 'J', 'I']

SOLUTION: W, 3573, 689, y, 9557, J, b, 2185

PROBLEM: ['e', 1277, 'V', 'G', 3331, 'A', 9053, 'B', 'v', 'm', 1415, 3013, 'Z', 'z', 'l', 9171, 'J', 'F', '2741', 'D', 'P', '1733', '6521', 'v', '1219', '8361', 'p', '5397', '7381', '4727', '7849', 'P', 'j', 'R', 'C', 6795, 'K', 1755, 793, 'c'], [6079, 'C', 4191, 'm', 'J', 'F', '2741', 'D', 'P', '1733', '6521', 'v', '1219', '8361', 'p', '5397', '7381', '4727', '7849', 'P', 'C', 9713, 'M', 5595]

SOLUTION:
J, F, 2741, D, P, 1733, 6521, v, 1219, 8361, p, 5397, 7381, 4727, 7849, P