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: 11, 14, ['O', '4067', 'Q', '8705', 't', '9149', '8035', '1435', '6117', '8109', '6509', 't', 'K', '2643', 'B', '9551', 'W', 'D', '5913', 'd']

6509tK2643