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: 2, ['3999', '8117', '6037', 'Q']

SOLUTION: 3999, 8117

PROBLEM: 4, ['2293', '8425', '7307', '4473', 's', 'n', '8967', 'G', 'Y', 'z', 't', '8263', 'a', '5415', '791', '5041', 'y', '549', '4689', 'a', '8333', 'X', '9043', '8931', '3099', 'O']

SOLUTION: 2293, 8425, 7307, 4473, s, n, 8967, G, Y, z, t, 8263, a, 5415, 791, 5041, y, 549, 4689, a, 8333, X

PROBLEM: 4, ['3271', 'T', 'M', 'b', 'h', '9451', 'K', 'E', 'E', '5513', 'Z', 'X', '3259', '4485', '791', '8081', 'n', '4407', 'X']

SOLUTION:
3271, T, M, b, h, 9451, K, E, E, 5513, Z, X, 3259, 4485, 791