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: 9, 10, ['3139', '1881', 'l', 'a', 'Q', '265', '6441', 'U', '5723', '5721', '2647', '6237', 't', 'R', 'Y']

57235721