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: 9, ['9039', 't', '2137', 'y', '6737', 'v', 'H', '6361', '2705', '8895', 'M', '1821', 'x', 'K', '9475', 'n', '4011', 'I', '2189', 'c', '6697', 'W', '5979', 'e', '8063', 'a', '7541', 'x', '447']

SOLUTION: 9039, t, 2137, y, 6737, v, H, 6361, 2705, 8895, M, 1821, x, K, 9475, n, 4011, I, 2189, c

PROBLEM: 2, ['3893', '9705', '6893', 'E', 'm']

SOLUTION: 3893, 9705, 6893

PROBLEM: 3, ['u', 'Y', 'B', '1091', 'o', '155']

SOLUTION:
u, Y, B