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: 1, ['7841', 'a', '123', '4999']

SOLUTION: 7841, a, 123, 4999

PROBLEM: 5, ['4087', '8287', 'E', 'U', 'v', 'I', 'H', 'J', '5015', 'K', '3831', '3709', 'G', 'W', '2403', 'Q', 's', '4443']

SOLUTION: 4087, I, 3831, Q

PROBLEM: 15, ['1405', '7469', '7017', 'F', 'L', '447', '6527', 'H', '3267', 'V', 'G', '8323', '5173', 'w', '4609', 'X', '57', 't', 'R', '9089', '6979', '7257', '8623', '2123', '2169', 'h', '721', '6827', '4361', '5197', '4379', 'Z', 'p', '5775', '4363', 'v', '8651', 'W', 'O', 'q', 'e', '8133']

SOLUTION:
1405, X, 4379