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:
13, ['3869', 'm', '7909', 'y', '983', '1365', '3377', 'V', '4639', '9681', 'D', 'a', 'v', 'W', '2999', 'm', 'A', 'X', '3797', 'x', '3731', '5929', 'g', '1429', '4861', '1739', 'f', '8311']

Ex Output:
3869, m, 7909, y, 983, 1365, 3377, V, 4639, 9681, D, a, v, W, 2999


Ex Input:
3, ['Q', 'd', 'a', '683', '2263', 'l', '5597', '2389', '8051', '2355', 'u', '3695', 'y', 'z', 'y', '535', 'D', 'Q', 'b', '3977', 'g', '1113', 'B']

Ex Output:
Q, d, a, 683, 2263, l, 5597, 2389, 8051, 2355, u, 3695, y, z, y, 535, D, Q, b, 3977


Ex Input:
7, ['A', '9021', 'A', '4497', 'l', '2345', 'K', 'e', 'q', 'W', 'w', '4135', '9531', 'e', '9999', '9845', '2051']

Ex Output:

A, 9021, A, 4497, l, 2345, K, e, q, W