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, ['P', 'u', 'X', 'j', '7477', '3877']

SOLUTION: P, u, X

PROBLEM: 2, ['H', 'F', 'J', 'X', 'S', 'r', '4103', 'N', '73', 'A', 'i']

SOLUTION: H, F, J, X, S, r, 4103, N, 73

PROBLEM: 3, ['8801', 'O', '6801', 'S', 'p', 'D', 'M', '1971', '1893', '4629', '5585', 'c', 'o', 'L']

SOLUTION:
8801, O, 6801, S, p, D, M, 1971, 1893, 4629, 5585