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: 4, 18, ['R', 'A', 'V', '8499', 'n', '4021', 'X', 'U', '625', 'z', '8277', 'F', 'F', '6669', 'S', 'S', '1599', '5677', 'i', '2915', '5173', '3317', '2111', 'g', 'h']

8499n4021XU625z8277FF6669SS15995677