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, ['C', '9539', '7199', '9891']
answer:
C, 9539, 7199

question:
2, ['5189', '805', 'U', '7527', 'Q', 'J', '4927', '8677', 'Y', '2871', '1193', 'C', 'I', '4667', '8127', '9073', '3075', '6297']
answer:
5189, 805, U, 7527, Q, J, 4927, 8677, Y, 2871, 1193, C, I, 4667, 8127, 9073

question:
1, ['r', 'T', '2157', '9349', '285', 'P', 'k', '8965', 'Y', 'O', '4487', 'p', '2035', 'S', 'm', 'E']
answer:
r, T, 2157, 9349, 285, P, k, 8965, Y, O, 4487, p, 2035, S, m