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: 8, ['W', '5231', 'F', '3667', '9515', '5257', 'V', 'C', 'd', 's', 'T', '6779', 'c', '1005', '9071', 'E']

SOLUTION: W, d

PROBLEM: 3, ['1577', '3345', 'y', '7987', '5927', '6311', 'Z', 't', 's']

SOLUTION: 1577, 7987, Z

PROBLEM: 21, ['5993', '6521', '183', 'S', '4489', '4793', '2107', '8471', 'i', '1731', '7367', '1299', '1181', '3167', '9525', '2829', 'c', 'i', '2989', '9807', '779', 's', '6553', 'v', 'i', '4355', 'I', 'l', '7911', '9591', '805', '4615', '95', '8783', 'K', '585', '7945', '1859', '3607', 'U', '6467', 'e', '6537', 'S', '91', '4411']

SOLUTION:
5993, s, 6537