In this task, you are given inputs 'i', 'j', and A, where 'i' and 'j' are integers and A is a list. A list is shown by two brackets and comma-separated numbers and characters inside, like ['1', '12', 'l']. You need to concatenate all elements of A from the ith element to the jth element, and then reverse the resulting 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 reverse first and then concatenate.

Input: Consider Input: 1, 2, ['4857', '9647']

Output: 74697584


Input: Consider Input: 1, 3, ['r', '5153', 'I']

Output: I3515r


Input: Consider Input: 2, 6, ['y', 'R', '5853', '3961', 'V', '5681', 'l', 'g', '9543']


Output: 1865V16933585R