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: 16, 22, ['1999', 'M', '707', '717', 'Y', '3297', 'm', '9759', 'l', '8827', 'b', 'l', 'r', '6025', 'n', '9715', 'F', '9519', 'W', '7343', '881', '8731', 'j', 'f', 'f', 'x']

9715F9519W73438818731