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: 13, ['K', '8777', 'U', '9965', 'k', '6877', 'P', '6923', 'P', 'r', '7207', 'F', '3809', 'Y', '3489', '795', '2547', '1487', '967', 'w', 'n', '5413', 'V', '5721', 'M', '3499', 'E', '3119', '8417', '4109', 't', 'N', 'p', 't', 'w', 'h', '9161', '8407', '8279']

SOLUTION: K, Y, E

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: 15, ['2781', '5603', '1523', 'f', '9467', '6107', '6807', '767', '1783', '4499', '8611', 'm', 'R', '2985', '6961', '4607', 'v', 'G', 'V', '6755', 'M', 'i', '9649', 'K', '9853', 'J', 'c', 'Y', 'K', '631', '9029', '4525', '5969', '2571', 't', 'E', 'y', '8675', '5513']

SOLUTION:
2781, 4607, 9029