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: 11, ['7021', 'w', 'I', '2123', '5935', 'y', 'l', '2351', '3207', '9613', '963', '8925', '9673', 'X', 'z', 'X', 'K', 'w', '2433', 'O', '1495', 'Z', '957', 'R', 'l', '8745', '5553', 'R']

SOLUTION: 7021, w, I, 2123, 5935, y, l, 2351, 3207, 9613, 963, 8925, 9673, X, z, X, K

PROBLEM: 10, ['y', '6125', 'H', '2215', 'a', 'W', 'p', '727', '4473', '2895', 'm', 'g', '5259', 'k', '6351', '6209', '1609', '1399', 'y', 'j', '8859', '1213', '2643', 'L', 'K', 'b', 'z', 'o']

SOLUTION: y, 6125, H, 2215, a, W, p, 727, 4473, 2895, m, g, 5259, k, 6351, 6209, 1609, 1399

PROBLEM: 11, ['S', '7733', '9013', 'Z', 'O', '5125', 'I', '4553', 'x', '2779', 'i', '8547', 'Y', 'k', 'X', 'A', 'a', 'c', '5079', 'Y', 'S', '9745']

SOLUTION:
S, 7733, 9013, Z, O, 5125, I, 4553, x, 2779, i