TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['v', 1629, 't', 'y', 'R', 'k', 10021, 7155, '7241', '8007', 'N', '4295', 'O', '6233', '6893', '3293', 'J', '789', '85', '2423', 'o', 3491, 'z', 'i', 6959, 865], ['Q', 5541, 6301, '7241', '8007', 'N', '4295', 'O', '6233', '6893', '3293', 'J', '789', '85', '2423', 'D', 3297, 8731, 8807, 99, 'h', 3177, 2689, 'H', 'u', 'S', 833]

SOLUTION: 7241, 8007, N, 4295, O, 6233, 6893, 3293, J, 789, 85, 2423

PROBLEM: ['L', 'W', 4919, 'y', '665', '9279', 'Z', 'd', '205', 'g', 'n', 305, 'r', 'B'], ['x', 'j', '665', '9279', 'Z', 'd', '205', 'a', 'V']

SOLUTION: 665, 9279, Z, d, 205

PROBLEM: [5739, 'P', 'd', '1717', 'g', '8587', 'a', 8947, 8973], ['p', 'x', 'd', '1717', 'g', '8587', 'p', 1849, 4297, 1503]

SOLUTION:
d, 1717, g, 8587