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: 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: 4, ['b', '551', '5871', '453', '5753', '1125', 'z', 'j', '8191', 'D', '781', '4055']

SOLUTION: b, 551, 5871, 453, 5753, 1125, z, j

PROBLEM: 8, ['4679', '6723', '7389', 'S', '2909', '5943', '8189', '5923', 'G', '2389', 't', 'W', '6629', '9685', 'W', '4515', '3555', 'K', 'n']

SOLUTION:
4679, 6723, 7389, S, 2909, 5943, 8189, 5923, G, 2389, t