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:
10, ['b', 'x', '7977', 'W', '1709', '9149', 'F', '375', '6819', 'c', '6487', 'W', '7829', '4627', 'f', 'k', '5761', 'u', '4451', '7011', 'v', 'C', 'K', 'n', '41', '7439', 'h', 'u']

Ex Output:
b, x, 7977, W, 1709, 9149, F, 375, 6819, c, 6487, W, 7829, 4627, f, k, 5761, u


Ex Input:
1, ['5811', 'n', '6307', 'f', 'Z', '5779', 'S', 'T', 'D', '261']

Ex Output:
5811, n, 6307, f, Z, 5779, S, T, D


Ex Input:
7, ['p', '1855', '3531', 'J', 'G', 'm', 'D', '8723', '6753', '1141', '3855', '6403', '9005', '7713', 'i']

Ex Output:

p, 1855, 3531, J, G, m, D, 8723