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, ['s', '8339', 'x', 'H']

SOLUTION: s, 8339

PROBLEM: 7, ['O', 'G', '303', 'J', '8545', 'u', '1983', 'u', '425', 't', '8249', 'i', '4727', '6039', 'k', '1927', 'z', '4429', '4131', '8543', '9127', 'J']

SOLUTION: O, G, 303, J, 8545, u, 1983, u, 425, t, 8249, i, 4727, 6039, k

PROBLEM: 8, ['5021', 'H', 'e', 'w', 'O', 'h', 'W', '7535', '939', 'L', 'o', '8903', '6221', '9795', 'u', '8787', '4071', 'd', '7735', 'b', 'b', '1023', 'F', 'Z', '8317', 'U', '7337']

SOLUTION:
5021, H, e, w, O, h, W, 7535, 939, L, o, 8903, 6221, 9795, u, 8787, 4071, d, 7735