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: 1, ['h', 'i', '2697', 'h', 'D', '2925', 'u', 'I']

SOLUTION: h, i, 2697, h, D, 2925, u

PROBLEM: 4, ['9837', '9419', 'D', '1877', 'Q', '2375', '1141', 'i', 'x']

SOLUTION: 9837, 9419, D, 1877, Q

PROBLEM: 3, ['7079', 'R', '3987', 'E', 'e', 'b']

SOLUTION:
7079, R, 3987