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]: 5, 8, ['6995', '7633', '1299', '9135', '5811', '4645', 'i', '4969', 'e', 'R', '7309']
[EX A]: 4969i46455811

[EX Q]: 3, 10, ['L', 'r', 'w', 't', 'T', '1931', 'q', '5649', 'Q', '7981', '6473', '1575', '6915', 'G', 'S', '9503', 'a', 'S', '4387', 'p', 'w']
[EX A]: 7981Q5649q1931Ttw

[EX Q]: 15, 18, ['497', '6595', 'W', 'w', '7683', '3433', '1861', '2603', 'H', '5451', 'f', '5405', 'a', '3311', '2691', 'M', '3119', 'K', '8969']
[EX A]:
K3119M2691