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.
2, ['2157', '3825', '7211', '5983', 'K', 'F', '1715', '2591', '2339', '1967', '6441', '4691', 'd', 'O', 'B', 'S', 'U']