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:
4, 5, ['a', 'I', 'J', 'a', '9779', 'i', '7835', 'S', '5809']

Ex Output:
9779a


Ex Input:
3, 7, ['Y', '5629', 'J', 'Q', '7907', 'C', '2053', 'e', 'L', '5165', '6687']

Ex Output:
2053C7907QJ


Ex Input:
1, 16, ['a', 'P', 'H', 'F', 'h', 'h', '1381', 'T', 'I', 'D', '3355', '9685', 'x', '471', 'M', 'h', 't', '803', '2457', 'a', '3365', 'P', '8895', '7195', '4311', '8667', '43', '7463', 'p', '2931']

Ex Output:

hM471x96853355DIT1381hhFHPa