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: 4, ['3057', '7783', 'o', 'M', '9309', 'V', '1425', 'X', 'f', 'y', 'q', '2831', 'y', 'A', '5567', 'c', '8645', 'S', 'd']

SOLUTION: 3057, 7783, o, M, 9309, V, 1425, X, f, y, q, 2831, y, A, 5567

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: 2, ['175', '9189', 'p', '7643', '6937']

SOLUTION:
175, 9189, p