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: 3, ['P', 'u', 'X', 'j', '7477', '3877']

SOLUTION: P, u, X

PROBLEM: 7, ['S', 'W', '8205', '5065', '7121', 'g', '3045', 'A', '239', '6759', 'G', 'e', '8499', 'h', 'W', 'x', '3699']

SOLUTION: S, W, 8205, 5065, 7121, g, 3045, A, 239, 6759

PROBLEM: 1, ['2245', '2471', '5877', 'Q', 'Y', '7367', 'q', 'f', '3343', 'h', '6101', 's', 'L', 'n', 'g', '4655', 'W']

SOLUTION:
2245, 2471, 5877, Q, Y, 7367, q, f, 3343, h, 6101, s, L, n, g, 4655