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: 15, ['l', '9757', 'b', 'Z', 'R', 'u', '851', '8503', '5149', 'i', '713', '9793', 'R', '2247', '6757', 'S', '8811', 'o', 'm', '7121', '5673', 's', 'X', '9767', '7257', 'x', 'Z', 'G', 'y', 's', 'w', 'T', '5905', 'o', 'g', '619', 'Q', '5549', '387', '8137', 'P', '8661', 'A', 'Z', '5161', 'z', '8883', '1709', 'J', 'w']

SOLUTION: l, S, w, z

PROBLEM: 16, ['V', '9001', '4041', '8843', 'U', '9779', '5569', '4619', '5615', '1293', '2917', 'L', 'v', '9731', 'F', 'W', 'f', '6755', '909', '5349', 's', 'p', '4069', 'o', '4467', 'O', 'X', '2215', '9451', '4611', 'x', '3293', 'n', '5919', 'N', 'l', 'I', 'D', '1101', 'x']

SOLUTION: V, f, n

PROBLEM: 4, ['A', 'T', 'i', 'y', 'X', 'o', 'h', '7713', '5615', '4109', 'g', 'q', 'P', 'P', '3909', 'U', 'u', '4021', 'p', '3785', 'Y', 'S', '8779', 'a', '4553', '75', 'B']

SOLUTION:
A, X, 5615, P, u, Y, 4553