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, ['2687', '6161', '7121', 'z', 'l', '669', 'l', 'M', '6641', 'G']

SOLUTION: 2687, z, l, G

PROBLEM: 6, ['L', 'm', '2255', '9979', 'I', '5253', '6417', 'D', 'Y', '2065', '4195', '9607', '1105', '3143', 'T', 'w', 'm', '9523', '9137', 'x', 'L', 'j', 'z']

SOLUTION: L, 6417, 1105, 9137

PROBLEM: 4, ['4991', 'K', 'o', 'C', '831', '2153', '7831', 'z', '6391', 'b', 'Z', '9403', '3523', '2607', '371', 'Q', '6487', 'W', 'u', 'L', '4355', 'G', '6305', '8837', '3469', 'O', 'c', 'A', '1685', '2867', 'a', '4015', 'Q', 'B', '9649', 'F', '6535', 'Z', '6851', 'J', '699', 'e', 'C', 'N', '6273', '6583', '7269', '3481']

SOLUTION:
4991, 831, 6391, 3523, 6487, 4355, 3469, 1685, Q, 6535, 699, 6273