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:
2, ['1831', '8397', '415', 'j', 'B', 'a', 'w', 'i', '1191', 'z', 'T', '6749', 'p', '2957', 'X', '6813', 'u', '9359', '7259', '7483', 'W', 'v', '9933', 'e', '3369', '9953', '6501', 'Y', '6207']

Ex Output:
1831, 8397, 415, j, B, a, w, i, 1191, z, T, 6749, p, 2957, X, 6813, u, 9359, 7259, 7483, W, v, 9933, e, 3369, 9953, 6501


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:
10, ['4573', '3511', 'j', '9409', 'r', '5627', '8429', 'r', '7251', 'C', 'I', '8177', 'p', '1805', 'i', 'S', 'o', '443', 'y', '6069', 'n', 'o', '3767', 'r']

Ex Output:

4573, 3511, j, 9409, r, 5627, 8429, r, 7251, C, I, 8177, p, 1805