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, ['P', '9651', '8579', 'S', 'l', '507', 'y', '5915', '2475', 'e']

SOLUTION: P, 8579, l, y, 2475

PROBLEM: 13, ['D', 't', 'p', '4903', 'g', 'x', '963', 'n', 'h', 'p', 'A', '9929', 'h', 'Q', 'a', 'k', 'k', '7261', '5091', 'i', 'p', '6613', '3909', '8713', '3287', 'D']

SOLUTION: D, Q

PROBLEM: 12, ['v', '2245', '4435', 'k', 'p', 'f', 'L', '9515', 'g', 'h', 'U', 'p', 'x', '1647', '41', 'y', '373', '8865', 'Q', '889', '4135', 'v', '2007', '4825', 'V', 'y', '9111', 'H', '6047', 'C', '7643', 'o', 'g', '4033', 'X', 'x']

SOLUTION:
v, x, V