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, 2, ['51', 'h', 'm', 'R', '7155', '3657', 't']

SOLUTION: 51, m, 7155, t

PROBLEM: 1, 3, ['W', 't', 'Q', 's', '3029', 'd']

SOLUTION: W, s

PROBLEM: 2, 4, ['Z', 'r', 'B', '9497', 's', '2301', 'U', 'P', 'E', '3469']

SOLUTION:
r, 2301, 3469