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, ['5091', 'B', 'f', '6415']

SOLUTION: 5091, B, f

PROBLEM: 1, ['6621', 'R', 'w', '501', 'H', 'a', 'P', '203', '1433', 'z', 'R', 'G', 'U', 'V', 'F', 'B', 'O', 'H', '1915', 'P']

SOLUTION: 6621, R, w, 501, H, a, P, 203, 1433, z, R, G, U, V, F, B, O, H, 1915

PROBLEM: 2, ['Y', 'W', 'r', 'Q', '4689']

SOLUTION:
Y, W, r