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: 7, ['O', 'e', 'S', '7017', '8749', '2691', 'H', 't', '3999', '663', '3605', 't', 'x', 't', '4045', '1023', 'd', '9831', 'O', '835', '4069', 'm', '2443', '3951', 'Z', 's', 'F', '8223', 'D', '7991', '8161', 'P', '5329', '6027', '3141', 'q', '5501', '903']

SOLUTION: O, t, 4045, m, D, q

PROBLEM: 15, ['1409', 'Z', '3203', '9655', 'r', '5041', '7941', '9003', 'j', 'G', '9727', '5323', 'k', 'x', 'X', 'X', '8657', 'B', '787', '7645', '6077', 'L', 'p', 'Z', 's', '9241', '5531', '6629', 't', 'P', 'X', '4529', '1579', '8955', '4587', '1977', 'S', 'm', '7457', '3453', 'K', '8203', '8813', '1863', '4735', '7631']

SOLUTION: 1409, X, X, 7631

PROBLEM: 8, ['8415', 'I', '7275', 'G', 'c', '6017', '9049', '1677', 'A', 'c', '2119', 'b', 'F', 'R', '8719', '761', '5647', 'c', '9397', 'M', 'g', 'E', '8111', '4411', 'P', 'I', 'G', 'W', 's']

SOLUTION:
8415, A, 5647, P