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: 4, ['4773', 'K', '4689', 'L', 'b', 'Y', '911', '5037', 'i', 'x', 'i', '1881', '9697', '4575', 'e', '7425', 'k', 'X', '1287', '5939', '4907', '9289', 'm', '269', 'w', '641', '8981']

SOLUTION: 4773, K, 4689, L, b, Y, 911, 5037, i, x, i, 1881, 9697, 4575, e, 7425, k, X, 1287, 5939, 4907, 9289, m

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: 8, ['3489', 'G', '2953', 'N', 'd', 'Q', '6265', 'R', '4383', '6637', 'R', 'o', 'c', 'u', 'L', 'Q', '7017', 'x', '2127', '8819', 'h', 'Q', '9395', 'W', '2203']

SOLUTION:
3489, G, 2953, N, d, Q, 6265, R, 4383, 6637, R, o, c, u, L, Q, 7017