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, 7, ['c', '155', 't', 'K', 'r', 'W', 'S', 'c', 'n', 'I', '8803', 'O', 'N', 'r', 'K', '1789', 'i', 'r', '6591', 'E', 'P', '3251', 'R', '1391', 'z', '8907']

SOLUTION: c, c, K, 3251

PROBLEM: 4, 4, ['c', '7183', 'H', 'K', 'S', '8981', 'T', '5405', 'M', '3519', 'K', 'Q', '4265', '5945', '5363', 'M', '1821', 's', '4327', '3989']

SOLUTION: K, 5405, Q, M, 3989

PROBLEM: 4, 4, ['T', '9145', 'K', 'D', 'z', 'g', 'N', 'd', 'o', 'H', '6231', '1605', 'l', 'X', 'c', 'b', 'u', '2245', 'c', '8093', 'E', 'u', '6193', 'T', 'r', 'j', 'f', '8155', 'y', 'l']

SOLUTION:
D, d, 1605, b, 8093, T, 8155