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: 1, ['m', 'M', '7431', '8295']

SOLUTION: m, M, 7431

PROBLEM: 4, ['c', '8925', 'H', 'r', 'b', 'c', '4701', 'W', 'u', 'O', '2557', '1995', '6013', 'A']

SOLUTION: c, 8925, H, r, b, c, 4701, W, u, O

PROBLEM: 7, ['z', 'B', 'K', '9863', 'J', 'w', 'g', '8129', 'z', '8171', '4765', 'T', '7843', '4225', 'w']

SOLUTION:
z, B, K, 9863, J, w, g, 8129