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: 6, ['p', 'z', 'n', '5759', 'i', '6115', '2605', 'i', 'O', '8597', 'G', 'A', 'd', 's', '1271', 'F', '6911']

SOLUTION: p, z, n, 5759, i, 6115, 2605, i, O, 8597, G

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: 2, ['H', '9409', 'Q', '4629']

SOLUTION:
H, 9409