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: 2, 8, ['v', 'I', '8717', 'G', '6535', 'D', '3117', 'l', 'R', 'w', '3935', '3459', 'e', '4913', 'b', '4153', '8863', '1431', '251', '6507', 's', 'v', 'C', '8415']

I8717G6535D3117l