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:
2, ['k', '8415', '5017', 'B', 'j']
answer:
k, 8415, 5017


question:
10, ['b', '2623', '4859', 'o', '2809', '2123', 'd', '1375', '2371', '4673', 'f', 'J', '5073', '9347', '6197', 'y', 'J', 'r', 'A', '5057', '3535']
answer:
b, 2623, 4859, o, 2809, 2123, d, 1375, 2371, 4673, f


question:
9, ['s', 'r', '2639', 'c', 's', '7749', '9339', 'E', 'l', '4055', 'd', '4265', '1009', 'H', 'B', 'b', 'x', 'W', '8769', 'v', 'J']
answer:

s, r, 2639, c, s, 7749, 9339, E, l, 4055, d, 4265