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, 3, ['A', 'O', '2643', 'Q', 'o', 'd', '2357', 'f', '5401']

SOLUTION: A, Q, 2357

PROBLEM: 3, 3, ['K', '7415', 'p', 's', '4165', 'r', 'G', '1429', 'u', '9267', 's', 'n', 'x', 'r', 'A', 'M', 'o', 'x', '1501', '4557', 'e', 'M']

SOLUTION: p, r, u, n, A, x, e

PROBLEM: 1, 1, ['P', 'R']

SOLUTION:
P, R