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, ['k', 'U', 'V', 't', '7875', 'E', 'i', '6211', '3549', 'Y', 'U', '7547']

Ex Output:
k, U, V, t, 7875, E, i, 6211, 3549


Ex Input:
5, ['a', 'a', '3961', '9489', 'b', '1505', 'W', '8567', '635', 'z', 'a', '139', '3987', 'C', 'D', '3401', 'l']

Ex Output:
a, a, 3961, 9489, b, 1505, W, 8567, 635, z, a, 139


Ex Input:
4, ['K', 'Q', '1303', '3869', 'y', '359', 'i', '5497', '3551', '8535']

Ex Output:

K, Q, 1303, 3869, y, 359