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: 8, 8, ['2047', '3653', 'x', 'J', 'q', 'U', '5669', '1765', '5083', '449', '1987', '129', '9619', '7573', 'k', 'W']

1765