TASK DEFINITION: In this task, you are given an input i,A where i is an integer and A is an array. You need to find every ith element of A starting with the 1st element.
PROBLEM: 4, ['D', '5905', '7163', '4929', '6809', '5785', 'i', 'K', '2401', 'f', 'r', 'b', '8031', '2595', '201', 'U', '3171', '9313', '1213', '3971', 'O', 'S', '4839', 'U', '83', 'A', 'e', 'A', '1693', 'A', 'I']

SOLUTION: D, 6809, 2401, 8031, 3171, O, 83, 1693

PROBLEM: 7, ['Y', '6019', '4537', 'L', '6873', '2631', '5897', 'V', '5665', '4931', 'd', 'P', 'Y', 'K', '5789', '2007', '1279', '2453']

SOLUTION: Y, V, 5789

PROBLEM: 13, ['8653', '513', '5055', '7307', '5075', 'g', '6099', 'U', 's', '2703', '611', 't', '2273', '9961', 'V', 'W', '1087', 'J', '8963', '567', 'g', '1783', '8241', '1457', '9953', '3435', 'W', 'A']

SOLUTION:
8653, 9961, W