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: 20, 25, ['6281', '8619', 'b', 'd', '831', 'E', '2079', 'D', 'd', '3239', 'C', 'D', '283', '2237', 'j', 'W', 's', 'Y', '4787', '2631', '6213', '6675', 'p', 'n', '8591', '1909']

263162136675pn8591