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: 6, ['1887', 'g', 'r', '6781', '7159', '6201', '3315', 'j', 's', 'l', '6821', '6069', 't', 'a', '1915', 't', '6101', '8891', '2827', '1563', 'H', 'w', '971', 's', '783', '8293']

SOLUTION: 1887, 3315, t, 2827, 783

PROBLEM: 20, ['v', 'G', 't', '8499', 'M', '3399', 'Z', '3147', 'Y', '5905', 'D', 'N', 'C', '9763', 'T', 'j', 'X', '2973', '5167', '7145', 'k', '5913', '5959', '9929', '8867', '5479', '369', '5417', 'o', 'm', 'D', '7839', 'b', 'e', '6989', '2285', 'c', '133', '4821', '3335', '4559']

SOLUTION: v, k, 4559

PROBLEM: 6, ['u', 'w', '5123', 'c', 'n', '2087', '2381', '6177', '305', '145', '1799', '6963', '7609', '3983', 'd', '675', 'y', '3503', 'Y', '1041', '4383']

SOLUTION:
u, 2381, 7609, Y