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: 21, 25, ['8427', 'j', 'D', '6927', 'N', '9675', 'r', 'u', '1859', '3321', '8655', '7737', 'S', '2363', 'b', 'x', '89', '9745', '3313', 'o', '9215', '1877', 'o', 'C', 'f', 'T', '2869', 'F']

92151877oCf