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', 'h', 9391, 'u', 9757, 'y', 'a', 'j', 'k', 'Y', '2091', 'U', 'p', 7959, 'F'], [1713, 2679, 'y', 'a', 'j', 'k', 'Y', '2091', 'U', 'V', 'r', 't', 'f', 8179]

SOLUTION: y, a, j, k, Y, 2091, U

PROBLEM: ['s', 5961, 'F', 6419, 7317, 2921, 'K', 3199, 2351, 9853, 4811, 3231, '5953', '1493', '173', '425', 'O', 'L', '9941', 'J', 'p', '1999', '9613', '4401', '1875', 'F', 'i', '7537', '8471', '1193', 'Q', 7059, 6673], ['Z', 2529, '5953', '1493', '173', '425', 'O', 'L', '9941', 'J', 'p', '1999', '9613', '4401', '1875', 'F', 'i', '7537', '8471', '1193', 'x', 825, 'e', 'I', 'G', 'n', 2345]

SOLUTION: 5953, 1493, 173, 425, O, L, 9941, J, p, 1999, 9613, 4401, 1875, F, i, 7537, 8471, 1193

PROBLEM: [3443, 9923, 'A', 'B', 'G', 'L', '2807', 'L', 'v'], ['h', 'i', 'A', 'B', 'G', 'L', '2807', 'r', 1197, 'u', 655, 521]

SOLUTION:
A, B, G, L, 2807

