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, ['t', '8531', 'e', '8317', '2747']

SOLUTION: t, 8531, e

PROBLEM: 7, ['1911', '3107', 'A', 'k', '1887', 'M', '1467', 'd', '8029', 'q', '7791', '115', 'g', '4385', 'q', 'f', '7827', '5555', 'R', 'o', '2339', 'Q', 'f', '2777', 'z']

SOLUTION: 1911, 3107, A, k, 1887, M, 1467, d, 8029, q, 7791, 115, g, 4385, q, f, 7827, 5555

PROBLEM: 7, ['8813', '4103', 'B', '639', 'N', '9001', '7943', '1049', 'm', 'f', '9381', 'q', 'S', 'w', '2199', '4197', '9815', 'X', 'n', 'T', '4481', '9345', '4327', '3993', '4187', '9505']

SOLUTION:
8813, 4103, B, 639, N, 9001, 7943, 1049, m, f, 9381, q, S, w, 2199, 4197, 9815, X, n