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, ['w', '273', '3987', 'J', 'm', 'v', '321', '8839', 'e', 'E', '5029', '1825', 't', 'a', '1257']

SOLUTION: w, 273, 3987, J, m, v, 321, 8839, e, E, 5029, 1825

PROBLEM: 2, ['v', 'l', 'a', '4761', '3467', 'd', 'i', '4703', 'Y']

SOLUTION: v, l, a, 4761, 3467, d, i

PROBLEM: 1, ['J', 'J', 'M', '9319', '3567', 'o', '5677', 'i', 'n', '4947']

SOLUTION:
J, J, M, 9319, 3567, o, 5677, i, n