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: 6, 9, ['8311', 'b', '7741', '3301', 'W', '5777', 'f', 'X', 'd', '1463', 'P', 'D', 'Q', 'x', '2789', 'H', '8719']

5777fXd