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, ['5109', 'f', 'c', '8429', 'e', 'k', 'q', 'h', '9773', 'j', '6643', '2019', '2625', 'y', '375', '649', '9901', '6511', '9219', 'd']

SOLUTION: 5109, f, c, 8429, e, k, q, h, 9773, j, 6643, 2019, 2625, y, 375, 649, 9901

PROBLEM: 2, ['c', '2337', '5909', '2409', '6989', '7645', '469', '9185', '6869']

SOLUTION: c, 2337, 5909, 2409, 6989, 7645, 469

PROBLEM: 1, ['f', 'P', '3575', 'X', '1249', '9377', 'H', '9545', 'h', '971', '1933', '4937', 'L', '8031', '953', '7411', 'U', 'D', 'P', 'l', 'I', 'N', 'N', 'G', 'q']

SOLUTION:
f, P, 3575, X, 1249, 9377, H, 9545, h, 971, 1933, 4937, L, 8031, 953, 7411, U, D, P, l, I, N, N, G