TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['M', 7643, 'K', 8165, 'e', '6737', '6573', '9181', 'n', 'l', '6555', '7291', '1765', 'Q', '4605', '7507', '6775', 'x', 'n', '8703', 'y', '2301', 'E', 'L', 5655, 5237, 'G', 'H', 'g', 'K', 9089], ['t', 1921, 'e', '6737', '6573', '9181', 'n', 'l', '6555', '7291', '1765', 'Q', '4605', '7507', '6775', 'x', 'n', '8703', 'y', '2301', 'E', 'H', 2771, 7085]

SOLUTION: e, 6737, 6573, 9181, n, l, 6555, 7291, 1765, Q, 4605, 7507, 6775, x, n, 8703, y, 2301, E

PROBLEM: [6917, 7141, '3657', '9205', 'b', 'm', 'Q', 'g', 'q', 'l'], [1429, 7173, 3447, '3657', '9205', 'b', 'm', 'Q', 'U', 'f']

SOLUTION: 3657, 9205, b, m, Q

PROBLEM: [5625, 6017, 'd', 'p', '4423', '77', 'E', '5271', 'A', 1553, 'c'], ['U', 1615, 'u', 'd', 'p', '4423', '77', 'E', '5271', 'x', 'w', 'Y']

SOLUTION:
d, p, 4423, 77, E, 5271