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, ['g', 'U', 'd', 'I', 'b', 'b', 'e', 'N', 'O', '5349', 'd', 'c', '7211', 'n', '9591', 'W', 'D', '4453']
answer:
g, U, d, I, b, b, e, N, O, 5349, d, c, 7211, n, 9591, W


question:
2, ['3999', '8117', '6037', 'Q']
answer:
3999, 8117


question:
3, ['O', 'A', 'l', '8721', '8507', '4257']
answer:

O, A, l