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: 3, ['A', 'A', '719', 'M', 'V', 'j', 'e', 'H', 'J', '591', 'P', '7171', 'l', '5155']

SOLUTION: A, M, e, 591, l

PROBLEM: 17, ['l', 'h', '6991', '6895', 'z', '1187', 'f', '9755', '5537', '8965', '2937', 'j', 'J', '7335', '4185', '1909', '4397', 'w', 'D', 'w', 'v', '9239', 'I', 'u', '9761', '9281', '9801', 'W', 'W', 'Q', '4295', 'L', '2373', 'p', 'Q']

SOLUTION: l, w, Q

PROBLEM: 6, ['m', '4899', 'v', '1869', '2415', '1515', '6619', '3285', 'L', 'u', 'a', 'I', 'K', 'c', 'B', 'R', 'D', 'W', 'p', '8127']

SOLUTION:
m, 6619, K, p