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 concatenate all elements of A from the ith element to the jth element, and print 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.
Input: 8, 18, ['i', '6677', '5853', '393', '4989', '8591', '2579', '5829', '6567', '4395', 'U', '7443', 'a', 'e', '7223', '5477', '8895', 't', '1823', '9965', '7387', 'l', 'B', 'N', '5157', '5473', 'a']

582965674395U7443ae722354778895t