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: 10, ['K', 'V', 'I', 'c', '3001', '8517', 'U', 'T', '9415', '6795', '345', '3017', '3817', '3197', 'o', '5701', 'J', '1037', 'N', 'h', 'Q', 'n', 'j', 'J', '7471']

SOLUTION: K, 345, Q

PROBLEM: 7, ['3527', '6429', '2621', '1443', '195', '977', '9027', '5731', 'Z', 'j', 'a', '2793', '3791', '6193', 'L']

SOLUTION: 3527, 5731, L

PROBLEM: 20, ['T', 'd', '8997', '1465', '6961', '8795', '9549', 'S', '4473', '4145', 'x', '4983', 'N', 'W', 'G', 's', 'b', '2923', 'm', 'D', '5181', 'h', 'M', '2507', '2209', '2241', 'Z', 'V', 'a', '2749', '5359', '5513', 'k', '3151', 'C', 'S', 'q', 'q', '7477', 'L', 't', '5651', 'A', 'O', 'e', '4663', '5467']

SOLUTION:
T, 5181, t