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: 2, ['K', 'x', 'B', 'L', 'a', 'P', 'w', 'R', '1495', '737', 'v', '4079', '6945', '4801', 'c']

SOLUTION: K, x, B, L, a, P, w, R, 1495, 737, v, 4079, 6945

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: 13, ['6973', 'q', 'j', '2111', 'U', 'e', 'a', '5345', 'z', '8237', '151', '5621', '8529', '6043', 'w', 'n', 'j', 'Q', 'I', '5031', 'b', 'D', 'J', '7185', '2889', 'U', 't', 'L', 'm']

SOLUTION:
6973, q, j, 2111, U, e, a, 5345, z, 8237, 151, 5621, 8529, 6043, w, n