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: 7, ['5891', 'h', '2299', '3189', 'b', '7005', 'R', 'd', 'R', '4617', 'Y', '6825', '2765', 'C', '8433', 'n', 'Y', '37', '837', 'K', '373', '7097', '8121', '4203']

SOLUTION: 5891, h, 2299, 3189, b, 7005, R, d, R, 4617, Y, 6825, 2765, C, 8433, n, Y

PROBLEM: 2, ['u', 'Q', '5689', '2415', 'X', 'q', '743']

SOLUTION: u, Q, 5689, 2415, X

PROBLEM: 5, ['z', '2765', '4863', 'o', '8707', 's', 'U', '9873', '8859', 'S', 'p', 'Y', '7193', 'a', 'f', '5143']

SOLUTION:
z, 2765, 4863, o, 8707, s, U, 9873, 8859, S, p