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, ['9539', 'p']

SOLUTION: 9539

PROBLEM: 2, ['r', '7699', 's', 'c', '9657']

SOLUTION: r, 7699, s

PROBLEM: 2, ['359', '8123', '8789', '8347', '5047', 'L']

SOLUTION:
359, 8123, 8789, 8347