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: 12, ['129', 'j', 'x', 'x', 'A', '2755', 'z', '4145', '4607', '219', '5957', '7017', '8945', 'P', 'P', '7815', 'G', '883', 'B', 'H', '4113', 'S', 'p', '6757', 'v']

SOLUTION: 129, j, x, x, A, 2755, z, 4145, 4607, 219, 5957, 7017, 8945

PROBLEM: 5, ['1955', 'I', '5255', '3981', '9087', '5705', 'l', 'n', 'd', '2359', '9199']

SOLUTION: 1955, I, 5255, 3981, 9087, 5705

PROBLEM: 3, ['3061', 'l', '3133', '9729', 'H', '4105', 'O']

SOLUTION:
3061, l, 3133, 9729