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, ['R', '7505', 'z', '3269', 'r', 'L', 'Q', '3693', '4919', '963', 'R', 'i', 'C', 'O']

SOLUTION: R, 7505, z, 3269, r, L, Q, 3693, 4919, 963, R

PROBLEM: 9, ['M', '5', 'j', 'D', '8995', '9639', 'C', '431', '9105', '525', 'Q', 'O', '3657', '6137', 'u', 'c', '3099', '6233']

SOLUTION: M, 5, j, D, 8995, 9639, C, 431, 9105

PROBLEM: 1, ['6053', '7371']

SOLUTION:
6053