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: 3, ['u', 's', 'k', '5215', '9609', '1617', 'i']

SOLUTION: u, s, k, 5215

PROBLEM: 2, ['V', '5139', 'G', 'L', '9827', 'm', 'E', '8499', '4761', 'W', '6731', '1859', '2187', '365', 'L', 'C', '4113', '6693', 'N', '5881', '4955', '293', 'W', 'h', '4913', 'P', '5193', '4385', '2819']

SOLUTION: V, 5139, G, L, 9827, m, E, 8499, 4761, W, 6731, 1859, 2187, 365, L, C, 4113, 6693, N, 5881, 4955, 293, W, h, 4913, P, 5193

PROBLEM: 4, ['k', '9373', '3849', 'M', 'z', '325', '477', 'p', '7285', '9703', '1129', 'A', 'K', '8369', 'V', 'q', 'Z', 'N', 'K', 'G', '3307', 'c', '3749', '8843', '2311', 'S', 'S', '7677']

SOLUTION:
k, 9373, 3849, M, z, 325, 477, p, 7285, 9703, 1129, A, K, 8369, V, q, Z, N, K, G, 3307, c, 3749, 8843