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, ['c', 't', '8783', 'E', '5327', '7383', '6607', 'R', '5779', 'B', 'k']

SOLUTION: c, t, 8783, E, 5327, 7383, 6607, R, 5779

PROBLEM: 11, ['5031', '5005', 'c', '3503', '973', 'I', 'K', 'G', '9011', '1023', 'G', '3781', 'f', '6821', 'T', '3717', 'L', '8655', '449', '7553', '791', '247', '2187', 'A', 'r', '4941', '2119', '1935', '811']

SOLUTION: 5031, 5005, c, 3503, 973, I, K, G, 9011, 1023, G, 3781, f, 6821, T, 3717, L, 8655

PROBLEM: 7, ['f', 'I', 'I', '9513', 'F', '779', '7855', '1421', '4985', '2747', '5933', '9003', 'P', 'd', 'b', 'y', '4091', '1925', 'c', 'm', 'e', '3701', 'X']

SOLUTION:
f, I, I, 9513, F, 779, 7855, 1421, 4985, 2747, 5933, 9003, P, d, b, y