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, ['K', 'f', 'B', '2633', '2087', 's']

SOLUTION: K, 2633

PROBLEM: 8, ['A', '4037', '4959', '315', '2155', '5871', 'F', '7885', 'q', '2353', '6459', 'h', '4131', 'r', 'V', '8847', 'V', 'J', '6537', 'q', 'w']

SOLUTION: A, q, V

PROBLEM: 18, ['3125', 'H', 'S', '4231', 'o', '8497', '9885', 'z', 'Q', 'W', 'H', '4113', 'Q', 'H', 'g', 'D', '7271', 'n', '1527', '7447', '3475', 'T', '5519', '133', 'x', 'M', 'l', 'P', '595', '4941', 'g', '1601', 'f', 'p', '8315', 'h', 'H', '4425', '4311', '1797', 'D', 'e', '6079', 'm', '5933', '8545']

SOLUTION:
3125, 1527, H