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: 3, 18, ['2925', 'g', 'j', 'p', '443', 'W', '4103', '3823', '3261', '5461', 'I', '1515', '4217', '5433', 'x', 'S', 'g', 'A']

AgSx543342171515I5461326138234103W443pj