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:
7, ['t', 'x', 'A', 't', 'j', 'E', '1949', '57', '9477', 'W', 'h', 'Q', '6787', '8505', '1725', 't', '4437', 'x', '6937', 'F', 'V', '6427', '57', '6387', 'Y', '9933', '3067', '7327', 'n']

Ex Output:
t, x, A, t, j, E, 1949, 57, 9477, W, h, Q, 6787, 8505, 1725, t, 4437, x, 6937, F, V, 6427


Ex Input:
4, ['A', '865', 'W', 'T', 'L', 'X', '9859', 'q', '8911', '717', 'Q', 'F', 'e', '2691', '3913', '5015', 's', 'Q', 'g', 'B', '4665', '8957']

Ex Output:
A, 865, W, T, L, X, 9859, q, 8911, 717, Q, F, e, 2691, 3913, 5015, s, Q


Ex Input:
3, ['L', '111', '5827', 'd', '7791', '3653', '2601', 'd', 'l', 'b', 'h', 'r', 'b', 'e', '997', 'G', '7463', 'H', '8575', 'A', 'w', 'k']

Ex Output:

L, 111, 5827, d, 7791, 3653, 2601, d, l, b, h, r, b, e, 997, G, 7463, H, 8575