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: 10, ['L', '1869', '833', 'D', 'Y', '8065', '1633', 'b', '6279', 'n', '8247', 'K', 'g', '8071', '3835', '5713', '5255', 'W', 'R', '9377', 'W', '2647']

SOLUTION: L, 1869, 833, D, Y, 8065, 1633, b, 6279, n, 8247, K

PROBLEM: 2, ['9977', '1897', '9039', 'W', '3709']

SOLUTION: 9977, 1897, 9039

PROBLEM: 7, ['q', '5871', 'M', 's', 'H', 'M', '8807', 's', 'H', '7377', '3035', 'C', 'G', 'v', '9311', '8527', 'x', 'g', 'c', 'R', '3471', '4339', 'T', 'P', '6275', '533']

SOLUTION:
q, 5871, M, s, H, M, 8807, s, H, 7377, 3035, C, G, v, 9311, 8527, x, g, c