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: 4, ['I', '2991', '9273', '9003', 'O', '8771', 'O', '2429']

SOLUTION: I, 2991, 9273, 9003

PROBLEM: 2, ['2655', '829', '9303', '6983', '6311', '9929', 'J']

SOLUTION: 2655, 829, 9303, 6983, 6311

PROBLEM: 1, ['8593', 'X']

SOLUTION:
8593