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: 3, 15, ['t', 'S', '2645', '1917', '4989', 'x', 'R', 'V', 'f', '1279', '8325', 'x', 'F', '111', '1813', '8923', 'h', '9805', '6663', '6557', 'y']

264519174989xRVf12798325xF1111813