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: 9, ['U', 'D', 't', 'q', 'h', '2909', '9001', '79', 'V', 'A', 'H', '5597', 'p', '4475', '9295', '6835', 'o', '8759', '8845', 'i', '2277', '445', 'i', '199', '8793', '9463', 'l', 'S']

SOLUTION: U, D, t, q, h, 2909, 9001, 79, V, A, H, 5597, p, 4475, 9295, 6835, o, 8759, 8845

PROBLEM: 2, ['l', 'Z', 'U', '3803', '7271', '983', '3101', '833', 'q', '4131', 'u', 'z', 'p', 'e', 'X', '1541', '3273', '8851', 'k', '8319', '5779', '6401', '7265', 'N', '1173']

SOLUTION: l, Z, U, 3803, 7271, 983, 3101, 833, q, 4131, u, z, p, e, X, 1541, 3273, 8851, k, 8319, 5779, 6401, 7265

PROBLEM: 4, ['X', 't', '831', 'q', '1287', '4467', '4105', '8489']

SOLUTION:
X, t, 831, q