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, ['u', 's', 'k', '5215', '9609', '1617', 'i']

SOLUTION: u, s, k, 5215

PROBLEM: 6, ['6273', '5485', '2783', '577', 'n', 'P', 'z', '6023', 'b', '2017', 'w', 'C', '1521', 't']

SOLUTION: 6273, 5485, 2783, 577, n, P, z, 6023

PROBLEM: 7, ['3605', '4267', 'S', 'o', '9849', '4441', 'u', '2891', '3679', '379', '5145', '1177', '1597', '7697', 'B', 'w']

SOLUTION:
3605, 4267, S, o, 9849, 4441, u, 2891, 3679