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, 9, ['K', 'j', 'b', 'E', '9731', 'I', '1259', 'c', 'K', '1167', '7543', 'j', 'Z', 'H', '987', 'S', '2389', '2187', '5621', 'c', '3987', 'h', 'F']

SOLUTION: b, j, 3987

PROBLEM: 1, 1, ['5831', 'D', '3287', '3619', 'Y']

SOLUTION: 5831, D, 3287, 3619, Y

PROBLEM: 1, 5, ['D', 'Z', '1253', 'K', '2733', '1531', '81', 'D', '7571', 'v', '5573', '5143', 'v']

SOLUTION:
D, 1531, 5573