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: 6, ['k', '1903', 'q', 'D', 'f', '3015', 'r', '4551', '8475', 'K', '8933', 'R', 'z', '8199', 'H', 'j', 'R', '2815', 'K', '3025', '8765', 'S', 'W', 'K', 'I', 'P', '1407', 'n']

SOLUTION: k, 1903, q, D, f, 3015, r, 4551, 8475, K, 8933, R, z, 8199, H, j, R, 2815, K, 3025, 8765, S

PROBLEM: 5, ['v', '371', '1799', 'E', '7605', 'k', '6133', '2871', 's', '9981', 'E']

SOLUTION: v, 371, 1799, E, 7605, k

PROBLEM: 2, ['153', 'X', '2495', 'e', '5213', 'E', 'h', '8721', '6963', 'd', '7613', 'u', '2681', 'i', 'h', 'q', 'P', 'I', '5443', '9237', 'K', '8693', 'f', 'O', '5345', '8329', '5367']

SOLUTION:
153, X, 2495, e, 5213, E, h, 8721, 6963, d, 7613, u, 2681, i, h, q, P, I, 5443, 9237, K, 8693, f, O, 5345