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: 4, ['9917', 'V', 'u', 'l', '5565', 'n', 'm', '1087', '4883', 'o', 'R', 'V', '4835', '7589', 'A', '7873', '4717', 'q']

SOLUTION: 9917, 5565, 4883, 4835, 4717

PROBLEM: 6, ['q', '2645', 'U', 'd', '9085', 'O', '7525', 'C', '7823', 'm', 'p', 'b', '921', 'J', '1349', '459', '9637', '1919', '2037', '6743', '193']

SOLUTION: q, 7525, 921, 2037

PROBLEM: 18, ['7843', 'T', '647', '3207', '2643', '6007', '1095', 'd', 'O', 'K', '3461', '4923', 'f', 'E', 'D', 'x', 'O', '3145', 'M', 'l', '7829', '9093', 'v', '2159', 'l', 'h', '3319', '5211', 'n', 'F', '5117', 'T', 'C', '6703', 'C', '4001', '8789', 'i', '4005', 'n', '9931']

SOLUTION:
7843, M, 8789