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, 4, ['d', 'k', '7391', '6473', 'u', 'R', 'E', '2141', 'D', '7087', '441', 'C', 'k', '7621', '9907', 'b', 'm', '369']

SOLUTION: 7391, E, 441, 9907

PROBLEM: 1, 2, ['6999', 'M', 'I', 'b']

SOLUTION: 6999, I

PROBLEM: 2, 4, ['N', 'C', 'b', '7347', '6181', 'Y', 'n', 'j', '1301', 'I', 'F', 'm', '6161', '8765', 'G', '9011', '5829', 'e', '2817', '8977', '9045', '4691', 'L', 'S', 'Y', 'i']

SOLUTION:
C, Y, I, 8765, e, 4691, i