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, ['1911', '3107', 'A', 'k', '1887', 'M', '1467', 'd', '8029', 'q', '7791', '115', 'g', '4385', 'q', 'f', '7827', '5555', 'R', 'o', '2339', 'Q', 'f', '2777', 'z']

SOLUTION: 1911, 3107, A, k, 1887, M, 1467, d, 8029, q, 7791, 115, g, 4385, q, f, 7827, 5555

PROBLEM: 1, ['6109', 'd']

SOLUTION: 6109

PROBLEM: 3, ['7123', 'd', 'K', '3169', '4563', 'a', '3457', '6875', '6979']

SOLUTION:
7123, d, K, 3169, 4563, a