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, ['X', '245', 'e', 'Z', '1475']

SOLUTION: X, 245, e, Z

PROBLEM: 4, ['5263', '8669', '8175', 't', 'a', 'c', '217', '891']

SOLUTION: 5263, 8669, 8175, t

PROBLEM: 7, ['837', '5951', 'a', '6063', 'a', '2973', 'V', 'm', 'G', '6007', 'Z', 'Y', 'd', '6021', 'o']

SOLUTION:
837, 5951, a, 6063, a, 2973, V, m