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: 8, ['4679', '6723', '7389', 'S', '2909', '5943', '8189', '5923', 'G', '2389', 't', 'W', '6629', '9685', 'W', '4515', '3555', 'K', 'n']

SOLUTION: 4679, 6723, 7389, S, 2909, 5943, 8189, 5923, G, 2389, t

PROBLEM: 6, ['k', '1903', 'q', 'D', 'f', '3015', 'r', '4551', '8475', 'K', '8933', 'R', 'z', '8199', 'H', 'j', 'R', '2815', 'K', '3025', '8765', 'S', 'W', 'K', 'I', 'P', '1407', 'n']

SOLUTION: k, 1903, q, D, f, 3015, r, 4551, 8475, K, 8933, R, z, 8199, H, j, R, 2815, K, 3025, 8765, S

PROBLEM: 4, ['6129', '3767', 'N', '6843', 'r', 'm', 'B', '5241']

SOLUTION:
6129, 3767, N, 6843