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:
4, ['u', '8921', '7805', '1995', '5493', 'D', 'A', '9687']

Ex Output:
u, 8921, 7805, 1995


Ex Input:
2, ['z', 'C', '1787', 'P', 'i', 'M', 'V', '7833', 'i', '189', '6017', 'I']

Ex Output:
z, C, 1787, P, i, M, V, 7833, i, 189


Ex Input:
3, ['h', '7875', '7929', '9307', 'W', 'D', '7171', '7575', '1385', 's', 'E', 'a', 'X', 'Z', 'R', 'd', '5519', 'Q', '3455']

Ex Output:

h, 7875, 7929, 9307, W, D, 7171, 7575, 1385, s, E, a, X, Z, R, d