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: 19, ['1291', '1781', 'G', 'Y', '7513', 'R', '4551', '7457', '5231', 'E', 'C', '4125', '9747', '1843', '7341', '2435', 'M', 'B', '8223', 'r', 'M', '5019', 'u', '3351', '6261', 'r', '5131', 'L', 'Q', '1297', 'n', '2015', 't', '7773', '7949', 'U', 'M', 'T', 'L', 'z', 'J', '401', '4923', '353', '709', '7459', 'z', 'Z']

SOLUTION: 1291, r, L

PROBLEM: 9, ['511', '5389', 'v', 's', 'g', 'l', '6097', 'M', 'F', 'u', 'w', 'H', 'N', 'p', 'Z', 'P', 'A', '2837', '8679', 'g', 'I', '7771', 'b', '9291', 'e']

SOLUTION: 511, u, 8679

PROBLEM: 7, ['r', 'Q', '1749', '8797', 'N', '849', 'k', 'E', 'T', '9047', 'k', 'G', 'c', '8645']

SOLUTION:
r, E