TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['X', 1863, 6105, 'n', 8419, 6469, 'u', 'p', '1641', '1413', '6389', '7069', '1333', 'q', '9609', 'D', '843', '2667', '223', '6689', 'B', 9885], ['l', 'L', 'S', 'p', 'j', '1641', '1413', '6389', '7069', '1333', 'q', '9609', 'D', '843', '2667', '223', '6689', 'F', 5539, 'C', 1383, 'n', 9991]

SOLUTION: 1641, 1413, 6389, 7069, 1333, q, 9609, D, 843, 2667, 223, 6689

PROBLEM: ['J', 'h', '8587', 'b', 't', 'k'], [8955, 7253, '8587', 'b', 'e', 8655]

SOLUTION: 8587, b

PROBLEM: ['g', 'z', '1889', 'T', 't', 7179], [6809, 'W', '1889', 'T', 'f', 'F']

SOLUTION:
1889, T