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: 7, 22, ['6981', 's', 'U', 'K', '7151', '125', 'z', 'c', '6741', '4727', '2941', '3497', '235', '5451', 'D', 'L', 'n', '9261', 'i', 'F', 'S', 'a', '7613']

zc67414727294134972355451DLn9261iFSa