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.
9, ['B', '2991', 'M', '39', '4773', '4207', '4305', 'H', 'n', 'I', '259', 'S', 'O', '4681', 'W', '4565', '6417', 'H', 'X', '7749', 'U', '121', 'n']