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.

Ex Input:
3, ['p', '7857', 'h', '7041', '7917', '1685', 'o', 'P', '5675', 'W', 'Z', 'L', 'W', 'z', '3111', 'm', 'n', '8823', 'R', '5619', '9219', 'M', 'a', '4991', '7801', '8387', '7483', 'Q', '789']

Ex Output:
p, 7857, h, 7041, 7917, 1685, o, P, 5675, W, Z, L, W, z, 3111, m, n, 8823, R, 5619, 9219, M, a, 4991, 7801, 8387


Ex Input:
4, ['8141', '6803', '4063', 'X', '9463', '6133', 's', 'G', '8975', 'n', '547', 'M', '645', '2163', '5981', 'q', '5911', '1917', 'Z', 'g']

Ex Output:
8141, 6803, 4063, X, 9463, 6133, s, G, 8975, n, 547, M, 645, 2163, 5981, q


Ex Input:
3, ['1553', '2025', '4911', 'C', '6135', 'W', '8245', '1663']

Ex Output:

1553, 2025, 4911, C, 6135