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]: 10, 17, ['W', 'x', '2433', 'n', '5801', '7423', 'o', '491', 'Q', 'Z', '153', '129', 'e', '4249', 'K', '887', 'L', 'q', 'M', 'V', 'G', '331']
[EX A]: L887K4249e129153Z

[EX Q]: 1, 15, ['5341', 's', 'V', 'F', '4539', '5719', '5319', '2513', 'P', 'j', 'G', '5547', 'J', '8859', 'v', '6751', '3185', '8829', 'x', '3789']
[EX A]: v8859J5547GjP2513531957194539FVs5341

[EX Q]: 10, 11, ['7767', '1581', 'W', '19', '7233', 'm', 'W', '7201', '9689', '77', '3469', 'v', '1279', 'x', 'N', '7735', '7359', '3779', '9503', 'X', '411', '5877', 'k', '4747', 'Y', 'O', '7869', 'Y', '3439']
[EX A]:
346977