TASK DEFINITION: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to concatenate all elements of A from the ith element to the jth element, and print the resultant string. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
PROBLEM: 16, 19, ['9169', '6227', '3993', 'G', '3063', '5221', '6799', 'x', 'c', '2961', '4251', '7903', 'i', '8341', '6161', 'c', 'Z', '7881', 'h', 'e', 'j', '3157', 'K', '4471', '8673', 'b', '4261', 'O', 'm', '6025']

SOLUTION: cZ7881h

PROBLEM: 4, 27, ['u', '7157', 's', 'H', '9231', '5861', '6433', '1059', '887', 'm', '9571', '2873', '2305', 'y', '1171', '3205', '321', '3299', '2217', 'I', '701', '8243', 'b', '627', '2531', '4151', 'B', 'G']

SOLUTION: H9231586164331059887m957128732305y1171320532132992217I7018243b62725314151B

PROBLEM: 12, 16, ['27', 'y', '6819', '1205', '2073', '3935', 'r', '9545', '6899', '5589', 'h', 'R', 'X', '5111', '1647', 'n', 'H']

SOLUTION:
RX51111647n