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.
Input: 4, 9, ['l', 'j', 'm', '9815', '1473', '8751', '7371', '2035', '7251', 'L', '8025', '3213', '1659', 'J', 'w', '9015', 't', 'T']

725120357371875114739815