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, ['Y', 'j', '7619', 'U', 'd']
answer:
Y, j, 7619, U


question:
2, ['977', 'Z', 'R', '8793', '2449', '2051', 'o', 'm']
answer:
977, Z, R, 8793, 2449, 2051


question:
4, ['647', 'j', '7343', '2081', 'S', 'H', 'd', 'U', 'j', '9049', 'x', '2591', '9477', '7135', 'A', 'I', '8179', 'U', '5479', '6441', 'c', '6357']
answer:

647, j, 7343, 2081, S, H, d, U, j, 9049, x, 2591, 9477, 7135, A, I, 8179, U