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: 7, ['5891', 'h', '2299', '3189', 'b', '7005', 'R', 'd', 'R', '4617', 'Y', '6825', '2765', 'C', '8433', 'n', 'Y', '37', '837', 'K', '373', '7097', '8121', '4203']

SOLUTION: 5891, h, 2299, 3189, b, 7005, R, d, R, 4617, Y, 6825, 2765, C, 8433, n, Y

PROBLEM: 2, ['1713', 'o', '6397', '4329', 'R', '4123', '5297']

SOLUTION: 1713, o, 6397, 4329, R

PROBLEM: 6, ['g', '2237', '8057', 't', 'y', '1021', 'Y', '9605', '9385', '8295', 'G', '9297', '9807', 'A', '5749', '5773', '2003', 'v']

SOLUTION:
g, 2237, 8057, t, y, 1021, Y, 9605, 9385, 8295, G, 9297