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, ['U', 's', '1015', 'b', 'A', '8139']
answer:
U, s, 1015, b, A


question:
2, ['9055', '7811', 'd', '7067', '4593', 'F', '9261', 'H']
answer:
9055, 7811, d, 7067, 4593, F


question:
8, ['r', '3757', 'R', 'M', 'P', '4923', '7143', 'Z', '153', 'l', 'y', '7157', 'm', '8653', 'k', '3417', 'I', 'Q', 'r', 'S', '2653', 'u', 'Q']
answer:

r, 3757, R, M, P, 4923, 7143, Z, 153, l, y, 7157, m, 8653, k