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: 8, 10, ['9693', 'z', 'B', 'X', '3913', 'u', 'H', '513', 'M', 'N', '1307', 'm', 'Y', '7841', 'D', 'c', '8123', 'v', '1527', 'f', 'Q']

513MN