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: 12, 19, ['8685', 'H', '8587', '2431', 'b', 'd', '8997', 'T', 'g', 'G', '1155', 'A', '2999', 'B', '3529', 'e', 'e', '101', '2523']

A2999B3529ee1012523