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: 6, ['a', 'L', '8521', 'M', '349', '8607', '7559', 'X', 'G', 'u', '9933', '3479', 'P', '421', 'U', '1047', '2731', 'V', 'B', '7019', '1713', '3047', '781', '2561', '9449', '539', 'i', 'p', 'l', 'z', 'Y', '8923', 'w', 'j', 'i', 'k', 'o', '9675', 'o', '4109', 'A', '2817', 'q', '995', '3639', '1999', 'R', '7393']

SOLUTION: a, 7559, P, B, 9449, Y, o, q

PROBLEM: 17, ['l', 'h', '6991', '6895', 'z', '1187', 'f', '9755', '5537', '8965', '2937', 'j', 'J', '7335', '4185', '1909', '4397', 'w', 'D', 'w', 'v', '9239', 'I', 'u', '9761', '9281', '9801', 'W', 'W', 'Q', '4295', 'L', '2373', 'p', 'Q']

SOLUTION: l, w, Q

PROBLEM: 12, ['o', 'C', 'a', '969', 'D', 'S', '3025', 'y', 'n', '5491', '503', '4507', '3151', 'W', '3359', 'R', '389', '6917', 'A', 'b', '5727', 'B', '4471', 'T', 'K', 'z', '8799', '5221', 'C', '8165', 'F', 'E', '7927', 'B', '9895', 'Y', 'D', 'y', '9983', '2949', 'q', 'f']

SOLUTION:
o, 3151, K, D