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, 19, ['K', '5913', '1539', '7055', 'l', 'J', '5913', 'S', '3575', 'H', 'Q', 'K', 'H', '2717', 'X', 'A', 'G', '9625', 'z', 'G']

5913S3575HQKH2717XAG9625z