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: 19, ['l', 'I', 'n', '7447', 'a', 'i', '4707', '7991', 'A', 'C', 'M', 'H', '9657', '3449', '4933', '419', '4443', '1447', '6671', '5199', 'k', 'X', '6857', 'v', '1823', 'y', 'f', 'a', 'F', '817', '207', '4251', '4137', 'x', 'E', '3059', '9263', '5013', '325', 'd', 'O', '8639', 'w']

SOLUTION: l, 5199, 325

PROBLEM: 11, ['6991', '1587', '7489', '5761', 'c', 'T', '8989', '5445', 'z', 'N', '5641', '4667', '9709', '7069', 'g', '2121', 'C', 'x', 'h', '8407', '4103', '7597', '9521', '3707', 'd', '5389', 'A', '1901', '2693', 'X', '1645', '3763', '1211', '9435', '6069', '923', '3491', 'v', '1377', 'L', '2547', 'Y', 'u', 'B', '5777']

SOLUTION: 6991, 4667, 9521, 9435, 5777

PROBLEM: 5, ['p', 'Z', '4949', '8177', '9031', '9147', '1951', '4555', 'p', 'm', 'j', 'y', 'J', '7591', '2837', '5761', '507', 'Q', '6341', '7611', 'R', 'v', 'R', 'H', 'w', 'g', '3293', 'I', 'Y', '2119', 'j', 'K', 'q', '1829', '7499', '4873', 'L', '3279', 'z', '2159', 'n', 'G', '9547', '747', '451', '8435', '15', '3633', 'n', 'A']

SOLUTION:
p, 9147, j, 5761, R, g, j, 4873, n, 8435