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: 1, ['a', 'k', 'B', '7647', '5407', 'f', '9239', '4391', '4439', 'y']

SOLUTION: a, k, B, 7647, 5407, f, 9239, 4391, 4439

PROBLEM: 8, ['2657', 'u', '4419', '6719', '7841', 'u', '3781', 'o', 'w', '987', 'd', '1871', '4313', '1025', 'u', '3963', '7743', '1885', 'z', 'z', '7187', '5247']

SOLUTION: 2657, u, 4419, 6719, 7841, u, 3781, o, w, 987, d, 1871, 4313, 1025

PROBLEM: 1, ['B', '8377', 's', '1029', 'I', '415', '3621', 'H', 'l', 'Q', 'Z', 'q', '3', 'Z', '2589', '9269', 'I', 'k', 'O', 'X', 'n']

SOLUTION:
B, 8377, s, 1029, I, 415, 3621, H, l, Q, Z, q, 3, Z, 2589, 9269, I, k, O, X