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 find all elements of A from the ith element to the jth element, reverse the order in which they occur, and then concatenate them to output 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. Perform the operations in order, i.e., do not concatenate the elements and then reverse the string.
PROBLEM: 3, 5, ['3955', '4189', '2279', 'm', '6561', '9237', 'i']

SOLUTION: 6561m2279

PROBLEM: 13, 20, ['q', 't', 'r', '4927', 'K', '8361', '8057', 'j', '6415', '7971', 'n', '4535', 'o', 'k', '9361', '1671', '6953', 'D', 'i', 'C', 'm', '9783', 'y', '3179', '903', 'P', 'V', '4701', 'z', '2819']

SOLUTION: CiD695316719361ko

PROBLEM: 2, 14, ['g', '71', 'N', 'n', '3663', '5279', 'k', '1895', 'O', '133', '5133', '1691', 'W', 'W', 'a', '3451', '3947', 'H', 'a', 'U', '9555']

SOLUTION:
WW16915133133O1895k52793663nN71