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: 8, ['c', '4957', 'b', 'm', '4285', 'p', '4795', 'm', 'f', 'R', 'M', '375', '6087', 'J', '3193', 'F', '4517', 'L', 'm', '2611', '3395']

SOLUTION: c, 4957, b, m, 4285, p, 4795, m, f, R, M, 375, 6087

PROBLEM: 10, ['545', 'j', '1823', '139', '197', '7565', '3227', 'q', '9475', 'N', 'V', 'f', '1819', 'Q', 'T', '5103', '5601', '1843', 'E', 'U', 'B']

SOLUTION:
545, j, 1823, 139, 197, 7565, 3227, q, 9475, N, V