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: 2, ['2763', 'h', 'x', '1601', '7249', '5267', '8927', '2499', '5539', '5571', 'U', '1643', 't', 'u', 'u', '2457', 'k', '7807', 'm', '8689', 'N', 'T', 's', 'q', 'P', '8997', 'D', '329', '9317']

SOLUTION: 2763, x, 7249, 8927, 5539, U, t, u, k, m, N, s, P, D, 9317

PROBLEM: 19, ['3709', '5415', 'd', '5995', 'A', 'v', '8047', 'e', '571', '4677', 'z', '2787', '1577', '7003', 'S', '8241', 'g', '9489', 'Q', '7609', 'e', '8835', 'F', '9', 'k', 'V', 'P', 'y', 'k', '7099', 'i', '1943', 'a', 'p', '623', 'B', '4835', 'b', '577', 'p', 'E', 'J', '9315', '7145', 'G', 'P', '6505', 'W']

SOLUTION: 3709, 7609, 577

PROBLEM: 15, ['6873', 'U', 'O', '9839', 'x', 'f', 'j', '7717', '2345', '3129', '9467', '5921', 'i', '2639', 'A', '9251', 'O', '1881', 's', '3145', '2481', '4979', '1823', 'C', '1247', '1029', 'O', '4353', 'R', '2181', '701', '4693', 'w', '8883', '4887', '1595', '6343', 'M', 'l', 'f', 'E', 'H', '2229', '5665', 'm', 'P', 'j', 'f', 'Y', 'w']

SOLUTION:
6873, 9251, 701, P