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: 4, ['s', 'f', '4839', '1155', '7639', 'w', '2947', 'R', 'h']

SOLUTION: s, f, 4839, 1155, 7639

PROBLEM: 7, ['7083', 'W', 'U', 'W', '9063', 'K', '483', '8061', '9959', '8881', 'F', 'Q', 'I', '1765', 'o', '8883', 'b', '7093', 'Z', 'n']

SOLUTION: 7083, W, U, W, 9063, K, 483, 8061, 9959, 8881, F, Q, I

PROBLEM: 1, ['b', 'Z', '971']

SOLUTION:
b, Z