TASK DEFINITION: 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.
PROBLEM: 7, ['7083', 'W', 'U', 'W', '9063', 'K', '483', '8061', '9959', '8881', 'F', 'Q', 'I', '1765', 'o', '8883', 'b', '7093', 'Z', 'n']

SOLUTION: 7083, W, U, W, 9063, K, 483, 8061, 9959, 8881, F, Q, I

PROBLEM: 1, ['U', 's', '1015', 'b', 'A', '8139']

SOLUTION: U, s, 1015, b, A

PROBLEM: 5, ['O', '2097', '3847', '5987', 'O', '3595', 'X', '3687', 'N', '6969', '9395', '141']

SOLUTION:
O, 2097, 3847, 5987, O, 3595, X