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, ['J', 'W', '7117', 'b', '1359', 'F']

SOLUTION: J, W, 7117

PROBLEM: 1, ['o', 'l', '6453', '2359', '4999', 'b', '5509', 'k', 'K', '1805', 'l', 'U', '9413', '6415', '7847', '6857', 'C', '5703', 'E', '8363']

SOLUTION: o, l, 6453, 2359, 4999, b, 5509, k, K, 1805, l, U, 9413, 6415, 7847, 6857, C, 5703, E

PROBLEM: 4, ['463', '5717', '9035', '1659', 'd', '1303', '9835', 'o', '4605', 'i', '1093', 'w', '3139', 'L', '4407', 'L', '6479', 'P']

SOLUTION:
463, 5717, 9035, 1659, d, 1303, 9835, o, 4605, i, 1093, w, 3139, L