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: 1, 20, ['5811', '99', 'N', 'h', 'G', 'A', '3107', 'd', '5705', 'Z', 'u', '1505', '6193', '6643', '9961', 's', '2687', '4741', 'R', 'n', 'd', 'C', 'e', 'w', 'i', 'f']

581199NhGA3107d5705Zu1505619366439961s26874741Rn