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: 20, ['a', 'c', 'Q', 'Y', 'O', 'S', '6457', '2475', 'p', '5961', '4483', 'm', 'P', '9889', '6803', '6119', '3525', '4615', 'Z', '3903', '6119', 'g', 'v', 'g', 'q', '5215', 's', 'T', 'N', '4667', 'L', 'R', 'L', '2379', '2135', 'o', '5381', '1559', '967', 'W', '4769', '7645', '8815', 'z', 'D', '6945', 'L', 'e']

SOLUTION: a, 6119, 4769

PROBLEM: 2, ['5421', 'e', 's', 'u', 'U', '4421', 'o', '4791']

SOLUTION: 5421, s, U, o

PROBLEM: 3, ['4361', 's', '3843', 'E', '2513', 'w', 'b', '2537', 'z', '2441', 'g', 'd', '3521', 'c', '8017', 'H', 'v', '1949', 'F', 'k', 'i', '1421', 's', 'y', '29', 'i', '9817', 'T', '3431', 'Y', 'L', 'n', 'B', '4309']

SOLUTION:
4361, E, b, 2441, 3521, H, F, 1421, 29, T, L, 4309