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, ['B', 'e', 'j']

SOLUTION: B, e, j

PROBLEM: 3, 7, ['P', '9925', '8431', '1953', 'T', '4639', 'S', 't', '121', '2205', '725', '5069', 'y', '3003', 'Q', '3113']

SOLUTION: 8431, 2205

PROBLEM: 1, 3, ['k', 'd', '1329', 'c', 'm', 'A']

SOLUTION:
k, c