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: 11, ['r', 'w', '2637', '4125', '2945', 'z', 'b', '3629', 'b', 'c', '6381', 'q', 'j', 'T', '8325', 'B', 'X', 'x', 'D', 'i', 'e', '9109', '503', '7635', '9783', '4521', 'r', 'd', 'W', '9665', '4547', 'h', 'B', 'P', 'M']

SOLUTION: r, q, 503, P

PROBLEM: 18, ['L', 'B', '8863', '823', '5287', 'K', '3463', 'o', '5899', 'c', 'O', '5759', 'L', 'K', 'S', 'T', '5895', 'v', 'c', '8309', 'w', '4505', 'B', 'Q', 'G', '1111', 't', '7583', 'X', '5101', 'P', 'y', 'L', 'i', 'V', 'e', '8759', '289', 'C']

SOLUTION: L, c, 8759

PROBLEM: 7, ['d', 'U', '9303', 'z', '3845', 'd', '2591', 'o', '9425', '5501', '8927', 'n', 'q', '6735', '6167', 'w', '4121', '4453', '6221', '7943', '6059', '6637', 'V', '8489', 'x', 'V', 's', '7875', '1905', '5425', '7573', 'j', '5421', 'Z', 'j', '3297', 'A', '2675', '325', 'u', 't', 'u', '2651', 'H', '9985', 'j', '8021']

SOLUTION:
d, o, 6167, 6637, 1905, 3297, 2651