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: 2, ['3893', '9705', '6893', 'E', 'm']

SOLUTION: 3893, 9705, 6893

PROBLEM: 8, ['3873', '4431', '4295', 'W', 'X', 'U', 'X', '1877', 'u', '5755', '9109', '5211', '3037', 'V', 'S', 'c', 'O']

SOLUTION: 3873, 4431, 4295, W, X, U, X, 1877, u

PROBLEM: 1, ['C', '5171', '8339', 'E', '371', 'h', 'U', '7583', 'L', '8173', 't', 'W', 'X', '7503', '9119', '903', 'O', 'h', '7285', 'J', '8955', '2595']

SOLUTION:
C, 5171, 8339, E, 371, h, U, 7583, L, 8173, t, W, X, 7503, 9119, 903, O, h, 7285, J, 8955