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: 8, ['e', '7531', 'b', '2455', '7829', '7961', 'Y', '883', '7337', 'E', '507', '2101', '3867', 'Q', 'i', '6899', '1187', '3403', 'h', '2229']

SOLUTION: e, 7531, b, 2455, 7829, 7961, Y, 883, 7337, E, 507, 2101

PROBLEM: 7, ['P', '4745', '4089', '9623', 'y', 'H', '265', 'b', '4689', '7359', 'E', '3247', 'y', '3371', '1203', '7315', '951', '4745', '4381', '901', 'b', '1871', '9831', 'q', '7527', 'd']

SOLUTION: P, 4745, 4089, 9623, y, H, 265, b, 4689, 7359, E, 3247, y, 3371, 1203, 7315, 951, 4745, 4381

PROBLEM: 4, ['U', 'V', '2963', '6457', 'A', '6221', '8733', '9201', 'V', 'o']

SOLUTION:
U, V, 2963, 6457, A, 6221