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: 9, ['e', '1509', '2895', '4747', 'i', '7541', '6273', '1271', 'f', '8157', 'h', '3091', '6259', 'a', 'S', 'c', 'S', '7737', 'p', 'T', 'z', '6117', '6627', '9999', '1011', 'l', 'K']

SOLUTION: e, 1509, 2895, 4747, i, 7541, 6273, 1271, f, 8157, h, 3091, 6259, a, S, c, S, 7737

PROBLEM: 1, ['B', 'X', 'c', 'J']

SOLUTION: B, X, c

PROBLEM: 7, ['1683', '3873', 'G', '1949', 'H', '1005', 'a', 'b', 'm', '9209', 'M', 'f', 'a', '7937', 't', '2873', 'I', 'x', 'a', 'z', '5815', 'u', 'N', 'r', '5391', '201']

SOLUTION:
1683, 3873, G, 1949, H, 1005, a, b, m, 9209, M, f, a, 7937, t, 2873, I, x, a