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: 1, ['2453', '5753', 'q']

SOLUTION: 2453, 5753

PROBLEM: 5, ['1667', 'U', '1659', 'E', 'J', '7209', 'B', '9839', 'z', '8841', '5105', 'N', '1487', 'q', '3137', 'b', 'D', '1433', '2365', 'Q', '75', 't', '9887', 'y']

SOLUTION: 1667, U, 1659, E, J, 7209, B, 9839, z, 8841, 5105, N, 1487, q, 3137, b, D, 1433, 2365

PROBLEM: 7, ['l', '9559', '2475', '6581', '7909', '2861', 'S', 'B', '6983', '1401', '1215', 's', '2287', 'q', '4333', 'h', '425', '7947', 'w', 'w', 'C']

SOLUTION:
l, 9559, 2475, 6581, 7909, 2861, S, B, 6983, 1401, 1215, s, 2287, q