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: 7, 18, ['5211', 'b', 'q', 'r', '4311', 'F', 'W', 'G', '9627', 'O', '2213', 'z', 'v', '4183', '7085', '3053', 'i', 'N', '5827', 'e', '5209', '7037', '8903', '4997', '8079']

Ni305370854183vz2213O9627GW