TASK DEFINITION: In this task, you are given inputs k, i, and A, where k and i are integers and A is a list. You need to find every ith element of A starting from the kth element. The process stops when the position of the next ith element exceeds the length of the list.
PROBLEM: 3, 7, ['D', 'i', 'f', '7151', '9971', '1427', 'F', 'u', 'g', '1409', 'v', '6959', 'L', 'K', '1857', 't', 'e', 'U', 'm', 'u', 'U', 'P', '6641', '6059', 'B', 'h', '3121']

SOLUTION: f, 1409, e, 6059

PROBLEM: 1, 1, ['8485', 'v']

SOLUTION: 8485, v

PROBLEM: 1, 3, ['1157', 'j', '3383', '7605', 'W', 'b', '9133']

SOLUTION:
1157, 7605, 9133