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: 7, ['N', 'y', '1729', 'l', '739', 'V', '6443', '6063', 'M', '153', 'Z', '1741', '167', 'K', 'Z', '1427', '1775', 'A', '969', 'a', '2945']

SOLUTION: N, y, 1729, l, 739, V, 6443, 6063, M, 153, Z, 1741, 167, K

PROBLEM: 1, ['C', '9539', '7199', '9891']

SOLUTION: C, 9539, 7199

PROBLEM: 4, ['9181', '3187', 'o', 'W', '7721', '5847', 'U', 'K', 'R', '5463', '7099', 'k', 'H', 'Q', 'j', '7073', 'p', '8841', '2427', '8943', 'D', '3873', '3931']

SOLUTION:
9181, 3187, o, W, 7721, 5847, U, K, R, 5463, 7099, k, H, Q, j, 7073, p, 8841, 2427