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: 13, ['p', 'L', '639', '5445', 'a', '5163', 'o', '5187', '3417', '6657', '7927', '9571', '8463', '2029', 'O', 'Q', 'x', 'G', 'i', 'h', '6847', '2741', '3585', 'B', '8121', 't', '3535']

SOLUTION: p, L, 639, 5445, a, 5163, o, 5187, 3417, 6657, 7927, 9571, 8463, 2029

PROBLEM: 4, ['s', 'k', 'Y', '1677', 'j', '931', '8947', 'R', 'z', '941', '1599', '7607', 'g', '3005', '6127']

SOLUTION: s, k, Y, 1677, j, 931, 8947, R, z, 941, 1599

PROBLEM: 6, ['3733', '8867', '2223', '8423', '9217', '1535', 'Q', '4967', 'E', 'z', 'p', '9419', '5903', '4625', 'J', '8629', 'k']

SOLUTION:
3733, 8867, 2223, 8423, 9217, 1535, Q, 4967, E, z, p