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: 3, ['323', 'C', 'R', '5703', 'E', '1017', '4417', 'W', '2391', '7173', '1207', '7323', 'v', 'Q', '9621', 'N', '2419', 'o', 'v', 'B']

SOLUTION: 323, C, R, 5703, E, 1017, 4417, W, 2391, 7173, 1207, 7323, v, Q, 9621, N, 2419

PROBLEM: 3, ['6559', 'R', '4925', 'c', '5437', 'I', '6551', '2853', 'j', '2775', '3157', 'X', '1467', '869', '2837', '1001', 'e', '7835', '9059']

SOLUTION: 6559, R, 4925, c, 5437, I, 6551, 2853, j, 2775, 3157, X, 1467, 869, 2837, 1001

PROBLEM: 8, ['O', '7065', '2047', '8665', '5547', '6633', '9541', 'p', '713', '6685', '8055', 'r', 'E', 'P', '4141', '6213', 'v', 'k', 'm', '945', '4133', 'u', 'v']

SOLUTION:
O, 7065, 2047, 8665, 5547, 6633, 9541, p, 713, 6685, 8055, r, E, P, 4141