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.
--------
Question: 1, 2, ['o', 'b', '7511', 'Z']

Answer: bo


Question: 3, 3, ['U', '8399', '645', '3165']

Answer: 645


Question: 6, 7, ['J', '4663', '2469', '6283', '4319', '7959', '5483', 'u', '297', '8719', '679', '9281', '2335', '6045', 'S', 'j']

Answer:
54837959