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: 12, ['G', 'H', 'Z', '5925', '8451', 'T', 'B', '9269', 'k', 'o', '4753', '8041', 'd', 'd', '2141', '9069', '6407', 'x', 'p', 'j', '831', '4615', '5419', 't', '8337', '7403', 'e', '1397', 'F']

SOLUTION: G, H, Z, 5925, 8451, T, B, 9269, k, o, 4753, 8041, d, d, 2141, 9069, 6407

PROBLEM: 2, ['u', 'Q', '5689', '2415', 'X', 'q', '743']

SOLUTION: u, Q, 5689, 2415, X

PROBLEM: 5, ['f', '4887', '3717', 'K', '6589', '8609', 'x', '9943', 'l', '7207', '7779', 'S', '9559', '7845', 'H', 'v', 'Z', 'E', 'O', 'F', '3885', '7777', '9587', '5409', 'm']

SOLUTION:
f, 4887, 3717, K, 6589, 8609, x, 9943, l, 7207, 7779, S, 9559, 7845, H, v, Z, E, O, F