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: 2, ['z', 'R', '9925', '7869', 'p', '4945']

SOLUTION: z, R, 9925, 7869

PROBLEM: 4, ['2877', '4495', 'H', 'g', '1741', '6623', 't', '5345', 'l', 'J', '3691', 'A', '467', '6027', '789', '7345', 'l', 'r', '1637', 'w', 'x', '7823', 'U']

SOLUTION: 2877, 4495, H, g, 1741, 6623, t, 5345, l, J, 3691, A, 467, 6027, 789, 7345, l, r, 1637

PROBLEM: 1, ['n', '6373', '225', 'W', 'D', '9145', '3929']

SOLUTION:
n, 6373, 225, W, D, 9145