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, ['D', 'T', 'b', '8967', '3159', '7201', '4447', 'T', 'R', 'm', '8347', 'f', '7637', '531', '4967', '2395', 'M', '5017', 'S', '1867', '9027', '7959', '3113', '5347', '5221', '3893', 'K', '9569']

SOLUTION: D, T, b, 8967, 3159, 7201, 4447, T, R, m, 8347, f, 7637, 531, 4967, 2395

PROBLEM: 3, ['Y', '959', '1399', 'T', 'R', 'o']

SOLUTION: Y, 959, 1399

PROBLEM: 2, ['4847', 'd', '7421', 'O', 'W', '2581', 'N', '5471', '9965']

SOLUTION:
4847, d, 7421, O, W, 2581, N