Part 1. Definition
In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
Part 2. Example
[5797, 8817, '8297', 'b', 'U', 'b'], [5843, 8809, '8297', 'b', 'W', 'C']
Answer: 8297, b
Explanation: Here, '8297, b' is the longest common subsequence in both the input lists [5797, 8817, '8297', 'b', 'U', 'b'] and [5843, 8809, '8297', 'b', 'W', 'C'].
Part 3. Exercise
[3469, 7065, 'D', '9969', '8471', '2621', 'F', 4545, 'N'], [5223, 3997, '9969', '8471', '2621', 's', 6547]
Answer:
9969, 8471, 2621