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: 3, 20, ['t', 'f', 'E', 'q', 'V', 'B', '4155', '4587', 'Q', 'V', '4997', 'T', 'N', 'z', '7925', '3891', '6199', '1505', '8891', '8833', 'I', 'i', '6747']

EqVB41554587QV4997TNz792538916199150588918833