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: 4, ['7539', '5355', '5163', '393', 'U', '9923', 'E', 'H', 'A', 'K', 'o', 'N', 'Z', 'c']

SOLUTION: 7539, 5355, 5163, 393, U, 9923, E, H, A, K

PROBLEM: 4, ['b', 'j', '5513', '2675', 'X', 't', '5799', '3691', 'q', 'v', 'X', 'F', 'Z', '3995', 'K', '5143', 'W', 'L', 'D', 'Y', 'G', 'E']

SOLUTION: b, j, 5513, 2675, X, t, 5799, 3691, q, v, X, F, Z, 3995, K, 5143, W, L

PROBLEM: 4, ['i', 'q', 'D', '25', '9131', '4475', 'f', '9359', 'D', 'l', 'V', '9789', 'o', 'I', 'C', 'f', '4811', '947', '3073', 'n', '7955', '7027', '1223', '8989']

SOLUTION:
i, q, D, 25, 9131, 4475, f, 9359, D, l, V, 9789, o, I, C, f, 4811, 947, 3073, n