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: 4, 12, ['8559', '2813', 'q', 'x', 'z', 's', 'w', 'D', 'J', '6811', '8581', '7971', '7861', '1303']

xzswDJ681185817971