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', '5763', '1581', '6399', '2487', '4361', '1839', '7443', '6863', '7943', '9353', 'b', '6683', 'W', '8557', 'z', '4341', '651', '1043', '4191', 'c', '9715', 'Z', '1543', 'l', 'J', 'Q', 'S', '747', 'W', 'X', 'y', 'F', '4291', '7723', 'R', '7865', 'Z', '8177', '2121', 'w', 'A', 'C', '3119', '2061', 'A', 'X', '2661', 'q', '4125']

SOLUTION: K, W, Q, 2121

PROBLEM: 2, ['u', 'x', 'L', '9819', '5285', 'N', 'e', 'b', '2991', 'o', '553', 'U', '2893', 'n', '9865', '6303', 'N', 'c', '2305']

SOLUTION: u, L, 5285, e, 2991, 553, 2893, 9865, N, 2305

PROBLEM: 18, ['U', '9527', 'x', 'v', '6529', 'Z', 'L', 'G', '1979', 'E', '7235', '2543', 'M', '9281', 'o', 'I', '5467', 'h', 'q', 'K', '5439', '6755', 'O', '1045', '2649', '4133', 'U', 'm', 'T', '8931', 'k', '2343', 'V', '2151', 'c', '7093', '29', 'c', 'h', '4097', 'R', '9783']

SOLUTION:
U, q, 29