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, ['6421', '8369', 'Y', '6487', '7131', '2359', 'e', '2763', 'L', '6021', '1685', 'A', '9371', '7243', 'I', 'T', '659', 'E', '6979']

SOLUTION: 6421, 8369, Y, 6487, 7131, 2359, e, 2763, L, 6021, 1685, A, 9371, 7243, I, T, 659, E

PROBLEM: 1, ['w', '111']

SOLUTION: w

PROBLEM: 4, ['J', '1921', 'P', '139', '1939', '767', 'r', '607', 'I', '6503', '7643']

SOLUTION:
J, 1921, P, 139, 1939, 767, r