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: 1, 1, ['2507', 'N']

SOLUTION: 2507, N

PROBLEM: 1, 3, ['W', '2881', 'N', '6971', 'F', '4337', '3973', '6531', 'I', '3633', '6061', 'A', '4615']

SOLUTION: W, 6971, 3973, 3633, 4615

PROBLEM: 3, 8, ['K', 'A', 'a', '5129', '8399', 'u', '8469', 'Q', '7681', '9767', 'b', 'K', '8381', 'o', 'X', 'E', '6139', 'v']

SOLUTION:
a, b