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:
9, ['S', '2143', 'Y', '1309', 'e', '9413', 'u', 'R', 'c', 'p', 'N', 'z', '3637', 'c', '2521', 'g', 'y', '349', 'K', 'G', 'm', '251', '2457', 'w', 'F', 'o', 'P', '6121']

Ex Output:
S, 2143, Y, 1309, e, 9413, u, R, c, p, N, z, 3637, c, 2521, g, y, 349, K


Ex Input:
2, ['6893', '3653', '2891', 'V', 'l', 'U', '2921', '403']

Ex Output:
6893, 3653, 2891, V, l, U


Ex Input:
3, ['h', 'e', '8951', '4615', '85', 'n', '275', '7221']

Ex Output:

h, e, 8951, 4615, 85