Definition: 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.
Input: 8, 9, ['O', '8311', 'B', '209', '9823', '6121', '8783', '3949', 'e', '9025', '225', '4691', '6881', 's', 'Q', 'H', 'I', '8603', '4925', '7149', 'm', '187', '2507', 'T', '2609', 'f', 'V', 'K']

e3949