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: 5, 10, ['6567', 'w', 'g', 'U', '625', '9069', '3839', '2185', 'U', '8485', 'k']

625906938392185U8485