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, ['s', '9987', 'K', '7179', 'n', '3185', 'x', '6049', '4093', 'o', '9415', '763', '3095', 'l', 'T', 's', 'K']

SOLUTION: s, 9987, K, 7179, n, 3185, x, 6049, 4093, o, 9415, 763, 3095, l

PROBLEM: 1, ['4937', '4149', 'h', '3383', 'm', 'b', '575', '5173', '813', '2319', '6741', 'c', 'j', 's', '91', '6989']

SOLUTION: 4937, 4149, h, 3383, m, b, 575, 5173, 813, 2319, 6741, c, j, s, 91

PROBLEM: 2, ['z', '6901', '8693', '1279', 'X', '2159', '1909', '847', '3237', 'Z']

SOLUTION:
z, 6901, 8693, 1279, X, 2159, 1909, 847