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, ['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:
2, ['4201', 'a', '3801', 'z']

Ex Output:
4201, a


Ex Input:
13, ['R', 'g', 'O', '8535', 'z', 'k', '1017', '183', 'N', '2687', 'i', '6855', '4889', 'M', '1853', '1263', 'T', 'i', 'p', 'd', '6885', '1867', 'K', '5927', 'Z', '7491', '573', '9785', 'V', '5667']

Ex Output:

R, g, O, 8535, z, k, 1017, 183, N, 2687, i, 6855, 4889, M, 1853, 1263, T