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 Q]: 2, 4, ['O', '7177', 'f', 'Q', '3429', '3121', '4399', 'H', '6081', 'V', '4367', '7889', '5533', '9109', 'K']
[EX A]: Qf7177

[EX Q]: 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 A]: J4401J7663Hx3923

[EX Q]: 3, 13, ['4513', '1885', '3781', 'p', '3979', 'o', '9017', '6967', '1919', '3247', '3579', 'O', 'M']
[EX A]:
MO35793247191969679017o3979p3781