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: 6, 10, ['8015', '7461', 'U', '2459', '5543', '7755', '4569', '3411', '2689', 'x', '701']

7755456934112689x