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:
2, ['u', 'Q', '5689', '2415', 'X', 'q', '743']

Ex Output:
u, Q, 5689, 2415, X


Ex Input:
4, ['i', '5977', 'a', '3031', 'C', '2095', 'g', 'X', 'o', 's', 'B', 'i', '8257', '8199', '8601', '5427', '5089', 'm', '2887', 'h', '8699', '8579', '8475', 'c', 'J', 'R', 'z']

Ex Output:
i, 5977, a, 3031, C, 2095, g, X, o, s, B, i, 8257, 8199, 8601, 5427, 5089, m, 2887, h, 8699, 8579, 8475


Ex Input:
10, ['5601', '8411', 'y', 'c', 'q', '7963', '1791', 'M', '459', '4021', 'H', 'K', '9797', '6097', '1285', '8899', 'h', '77', '1397', '8967', 'T', 's', '4103', '7311', 'Z', 'U', 'a', '7867']

Ex Output:

5601, 8411, y, c, q, 7963, 1791, M, 459, 4021, H, K, 9797, 6097, 1285, 8899, h, 77