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, ['x', 'P', 'P', '5915', 'c', '1339']

SOLUTION: x, P, P

PROBLEM: 3, ['z', '6977', '5793', '8711', 'm', '7889', 'y']

SOLUTION: z, 6977, 5793, 8711

PROBLEM: 1, ['1289', '8021', 'Y', 'd']

SOLUTION:
1289, 8021, Y

