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: 20, 20, ['8275', 'P', '6117', 'k', '6877', '2799', 'C', '2565', '9451', '1491', 'y', 'P', '8449', '5915', 'd', '9985', '191', '6893', '5579', 'O', 'u', '9915', 'e', 'G', 'B', '5775', '8823']

O