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, ['y', '9251', '9425', 'B']
answer:
y, 9251


question:
3, ['k', 'U', 'V', 't', '7875', 'E', 'i', '6211', '3549', 'Y', 'U', '7547']
answer:
k, U, V, t, 7875, E, i, 6211, 3549


question:
1, ['W', '9431', '1399']
answer:

W, 9431