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: 5, ['W', '9233', '4001', 'R', '2829', 't', 'T', '3353', '1013', 'w']

SOLUTION: W, 9233, 4001, R, 2829

PROBLEM: 10, ['b', 'x', '7977', 'W', '1709', '9149', 'F', '375', '6819', 'c', '6487', 'W', '7829', '4627', 'f', 'k', '5761', 'u', '4451', '7011', 'v', 'C', 'K', 'n', '41', '7439', 'h', 'u']

SOLUTION: b, x, 7977, W, 1709, 9149, F, 375, 6819, c, 6487, W, 7829, 4627, f, k, 5761, u

PROBLEM: 8, ['P', '5927', '9797', 't', 'q', 'U', 'w', 'G', 'Q', 'L', '7381', '4375', '6719', '4077', 'q', 'f', 'r', 'S', '6101', '3309', '1905', '7147', 'L', 'o']

SOLUTION:
P, 5927, 9797, t, q, U, w, G, Q, L, 7381, 4375, 6719, 4077, q, f