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, ['s', '8339', 'x', 'H']
answer:
s, 8339


question:
9, ['S', '2143', 'Y', '1309', 'e', '9413', 'u', 'R', 'c', 'p', 'N', 'z', '3637', 'c', '2521', 'g', 'y', '349', 'K', 'G', 'm', '251', '2457', 'w', 'F', 'o', 'P', '6121']
answer:
S, 2143, Y, 1309, e, 9413, u, R, c, p, N, z, 3637, c, 2521, g, y, 349, K


question:
4, ['L', '3879', '1755', 'j', '7821', 'c', '8985', 'B', '967', 'T', '7163', '7725', 'X']
answer:

L, 3879, 1755, j, 7821, c, 8985, B, 967