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: 1, 2, ['1437', 'u']

SOLUTION: u1437

PROBLEM: 2, 4, ['i', '4995', '8615', 'O']

SOLUTION: O86154995

PROBLEM: 3, 5, ['4643', 'e', '8421', '9355', 'y', '225', '5793', 'g', '6235', '5765', '6195', '2731', 'P', '1841', 'R', '5045', 'y']

SOLUTION:
y93558421