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: 4, ['A', 'i', 'F', '4005', 'N', '3507', 'x', '5139']

SOLUTION: A, i, F, 4005

PROBLEM: 1, ['Y', 'j', '7619', 'U', 'd']

SOLUTION: Y, j, 7619, U

PROBLEM: 6, ['4665', '9805', '9151', 's', 'd', 'Z', 'u', '8153', '3259', 'w', 'a', '2771', '6699', 'J', 'Z', 't', 'K', '1595', '1853', 'T']

SOLUTION:
4665, 9805, 9151, s, d, Z, u, 8153, 3259, w, a, 2771, 6699, J