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: 3, 7, ['5115', '3679', '9619', '8895', 'S', 'T', '5735', 'H', 'a']

Output: 5375TS59889169


Input: Consider Input: 2, 3, ['N', 'U', 'D', 'm', '9001', 'I', '2675', 'l', '2771', 'U', '1181', 'U']

Output: DU


Input: Consider Input: 1, 4, ['J', '7557', '3329', 't', 'k', 'U', '5825', 'X', '6679']


Output: t92337557J