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: 10, 15, ['1539', 'R', 'd', 'N', 'U', '1569', '8921', '1477', '8523', 'x', 'f', 'Q', 'Y', 'q', 'Y', 'p', 'd', '4893']

xfQYqY