TASK DEFINITION: In this task, you are given inputs i and A, where i is an integer and A is a list. You need to list all the elements of A preceding the last i elements. i will always have a value less than the length of A.
PROBLEM: 1, ['P', 'Q', '2335', 'Z', 'B', '4397', '8329', 'S', 'N', '9733', '4569', 'Z', 'G', '1243', '7337', '2581', '3033', '9325', '7911', '1175', 'G', '4717', '4581', 'e', '4439', 'i', 'J', '9957']

SOLUTION: P, Q, 2335, Z, B, 4397, 8329, S, N, 9733, 4569, Z, G, 1243, 7337, 2581, 3033, 9325, 7911, 1175, G, 4717, 4581, e, 4439, i, J

PROBLEM: 3, ['s', '9987', 'K', '7179', 'n', '3185', 'x', '6049', '4093', 'o', '9415', '763', '3095', 'l', 'T', 's', 'K']

SOLUTION: s, 9987, K, 7179, n, 3185, x, 6049, 4093, o, 9415, 763, 3095, l

PROBLEM: 5, ['z', '3891', '6567', 'Q', 'F', '5069', 'z', '2325', 'r', '8125', 'o']

SOLUTION:
z, 3891, 6567, Q, F, 5069