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: 7, ['8783', '5381', '2769', '6961', '5223', 's', 'U', 'i', 'd', 'F', '8159', 't', 'H', 'e', 't', '3747', '8047', '8479', '4807', 'T']

SOLUTION: 8783, 5381, 2769, 6961, 5223, s, U, i, d, F, 8159, t, H

PROBLEM: 5, ['j', 'Q', '6289', 'K', '8341', '2631', '2421', '7539', 'h', '4761', 'K', '7323', 'i', 'X', 'y', '6981', 'P', '7335', 'h', 'H']

SOLUTION: j, Q, 6289, K, 8341, 2631, 2421, 7539, h, 4761, K, 7323, i, X, y

PROBLEM: 7, ['N', '6557', '5305', 'M', '8461', '3643', 'E', '9961', 'H', '3229', '4755', '363', 'L', 'I', '9949', '4789', '4721', 'q', '97']

SOLUTION:
N, 6557, 5305, M, 8461, 3643, E, 9961, H, 3229, 4755, 363