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.

Ex Input:
5, 18, ['4905', 'j', 'd', 'S', '8381', '233', 'r', 'i', 'P', '4971', 'Q', '1991', 'L', 'a', '9383', '931', 'T', 'g', '2561', 'L', '2757', 'e', '1829']

Ex Output:
gT9319383aL1991Q4971Pir2338381


Ex Input:
13, 23, ['4763', '2429', 'l', '3433', 'W', '4653', 'n', '3171', '555', 'N', '6615', 'G', 'E', 's', 'l', '5877', '7441', '9415', 'w', '5903', '8227', '89', '493', '7633']

Ex Output:
4938982275903w941574415877lsE


Ex Input:
4, 10, ['2893', 'V', '6103', '6253', '2331', 'W', '8337', 'n', 'A', '6379', '7461', 'y', 'T', '2175', '7021', '9501', '709']

Ex Output:

6379An8337W23316253