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.

[Q]: 8, 18, ['O', 'a', 'w', 'f', 'E', 'u', '1205', '3349', '9805', 'M', 'Z', '5239', 'u', '203', '9193', '8629', '3209', 'v', 'b', '9661', '1039', '251', '1863', 'b']
[A]: v320986299193203u5239ZM98053349


[Q]: 2, 3, ['b', '5615', 'n', '6147', 'W']
[A]: n5615


[Q]: 16, 18, ['g', 'q', '3301', '6389', '8655', 't', 'q', 'U', '8039', '8589', '1837', 'y', '8999', 'M', '6067', 'q', '2465', '4817', 'l', '2837', 'A', '2825', '3641', '2037', '4919', '4753']
[A]:
48172465q