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, ['4045', '7939', '833', 'U', '4157', 'i', 'P', '3207', '7449', 'N', '5743', '7469', '7399', 'Z', '8353', '3373', '7077', '4885', 'k', '1179', '1363', '6861', '3683', '3705', '6487', '2933', 'U']

Ex Output:
4045, 7939, 833, U, 4157, i, P, 3207, 7449, N, 5743, 7469, 7399, Z, 8353, 3373, 7077, 4885, k, 1179, 1363, 6861, 3683, 3705


Ex Input:
11, ['f', '6479', 'K', 'y', '8473', 'Y', '9985', '5635', '441', '3223', 'g', 'g', '4073', 'q', 'D', 'r', '3967', '3855', 'f', 'F', '7121', '8535', 'E', 'W', '8679', '65', 'I', 'L', '935']

Ex Output:
f, 6479, K, y, 8473, Y, 9985, 5635, 441, 3223, g, g, 4073, q, D, r, 3967, 3855


Ex Input:
1, ['g', '4403', 'y']

Ex Output:

g, 4403