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:
5, ['t', '7941', 'p', '9551', '6013', '9957', '4701', '8867', 'L', 'v', 'f', '9103', 'c', 'p', 'E', 'X', 'R', 'q', '4687', '8853', '3323', '4765', 'A', 'J', '6325']

Ex Output:
t, 7941, p, 9551, 6013, 9957, 4701, 8867, L, v, f, 9103, c, p, E, X, R, q, 4687, 8853


Ex Input:
10, ['b', 'x', '7977', 'W', '1709', '9149', 'F', '375', '6819', 'c', '6487', 'W', '7829', '4627', 'f', 'k', '5761', 'u', '4451', '7011', 'v', 'C', 'K', 'n', '41', '7439', 'h', 'u']

Ex Output:
b, x, 7977, W, 1709, 9149, F, 375, 6819, c, 6487, W, 7829, 4627, f, k, 5761, u


Ex Input:
10, ['Z', 'y', 'R', 'Y', 'W', 'U', 'W', 'W', 'o', 'O', '6359', 'a', '399', 'p', 'C', 'p', 'E', '1663', '4195', '6031', 'F', 'r', 'H', '7591', '183', '2295', '4593']

Ex Output:

Z, y, R, Y, W, U, W, W, o, O, 6359, a, 399, p, C, p, E