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: 10, 15, ['3635', '4869', '6455', '7025', 'D', '305', 'D', '5009', 'O', '6535', 'B', '7135', 'R', 'u', 'I']

6535B7135RuI