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: 7, 9, ['n', 'd', '7503', '4509', '8405', 'J', '5775', '4341', '8587', '5097', '8827', 'l']

577543418587