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, ['Y', '959', '1399', 'T', 'R', 'o']

SOLUTION: Y, 959, 1399

PROBLEM: 13, ['y', '8539', '875', '5703', 'G', '6099', 'G', '8579', 'p', 'r', 'O', '2387', 'S', 'L', 'V', 'U', 'C', 'R', 'Z', '4991', '7897', '4887', '391', 'a', '2195', '6605', 'F', 'U']

SOLUTION: y, 8539, 875, 5703, G, 6099, G, 8579, p, r, O, 2387, S, L, V

PROBLEM: 9, ['9179', '259', '5883', '2279', 'y', '9819', 'r', 'E', '5979', 'Q', '407', '4647', 'N', 'd', '8881', 'Y', '4123', '7739', 'T', 'z', '8007', '2251', 'W', '9477', '4181', '9961']

SOLUTION:
9179, 259, 5883, 2279, y, 9819, r, E, 5979, Q, 407, 4647, N, d, 8881, Y, 4123