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: 5, ['5315', '8773', 'Z', '4873', 'r', '2929', 'K', 'y', '4997', '6739', 'U', 'j']

SOLUTION: 5315, 8773, Z, 4873, r, 2929, K

PROBLEM: 4, ['W', 'U', '7989', '7921', '2625', '4897', '1429', '7431', 'v', 'J', 'G', '2459', 'h', 'D', 'O', 'j', '5037', '9775', '7017']

SOLUTION: W, U, 7989, 7921, 2625, 4897, 1429, 7431, v, J, G, 2459, h, D, O

PROBLEM: 5, ['3831', 'O', 'j', 'e', '7517', '7457', '9577', '7419', 'z', 'P', '3163', '4137', 'I', 'j', 'S', 'p', '1811', '9917', '1133', '287', 'Z', 'x', 'J']

SOLUTION:
3831, O, j, e, 7517, 7457, 9577, 7419, z, P, 3163, 4137, I, j, S, p, 1811, 9917