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:
2, 5, ['365', '3543', '3853', 'o', 'X', 'A', 't', 'n', 'D', '4773', 'D', '4257', '6539', '7915']

Ex Output:
Xo38533543


Ex Input:
2, 8, ['9583', '3923', 'x', 'H', '7663', 'J', '4401', 'J', '3299', '137', '5981', 'r', 'r', 'm', '3333', '3283', '6973', 'r', '8917', 'g', '797', 'K']

Ex Output:
J4401J7663Hx3923


Ex Input:
1, 3, ['8973', '7341', '9497', 'b', 'I']

Ex Output:

949773418973