instruction:
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.
question:
1, ['X', '245', 'e', 'Z', '1475']
answer:
X, 245, e, Z


question:
2, ['3149', '6791', 't', 'q', 'Q']
answer:
3149, 6791, t


question:
1, ['1557', '4683', '5305', 'f', 'U', 'y', 'q', '9215', '1077', '6137', 'z', '2453', '2517', '5981', '9661']
answer:

1557, 4683, 5305, f, U, y, q, 9215, 1077, 6137, z, 2453, 2517, 5981