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: 3, ['t', 'K', 'M', 'm', 'P', '6303', '6575', '8315', 'p', '6151', 'F', '9657', '2637', 'N']

SOLUTION: t, K, M, m, P, 6303, 6575, 8315, p, 6151, F

PROBLEM: 4, ['4773', 'K', '4689', 'L', 'b', 'Y', '911', '5037', 'i', 'x', 'i', '1881', '9697', '4575', 'e', '7425', 'k', 'X', '1287', '5939', '4907', '9289', 'm', '269', 'w', '641', '8981']

SOLUTION: 4773, K, 4689, L, b, Y, 911, 5037, i, x, i, 1881, 9697, 4575, e, 7425, k, X, 1287, 5939, 4907, 9289, m

PROBLEM: 1, ['4155', 'Z', 'L']

SOLUTION:
4155, Z