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: 3, ['M', '5663', '4129', 'B', '7459', 's', '6615', 's']

SOLUTION: M, 5663, 4129, B, 7459

PROBLEM: 3, ['O', '4045', 'd', 'r', 'h', '3903', 'I', '5309', '7833', 'c', '7265', 'X']

SOLUTION: O, 4045, d, r, h, 3903, I, 5309, 7833

PROBLEM: 5, ['9753', 'l', '6963', '4703', 'z', 'm', 'Y', '8313', '8585', 'C', '8403', 'q', 'U', 'm', '2683', 'H', '6329', '3795', 'z', 'D', '1493', 'H', '5185', 'H', 'Y']

SOLUTION:
9753, l, 6963, 4703, z, m, Y, 8313, 8585, C, 8403, q, U, m, 2683, H, 6329, 3795, z, D