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, 17, ['A', '2385', 'a', '1275', 't', '3599', 'F', 'C', '4481', '6585', '2481', 'G', '7951', '4967', '9217', '2179', '6337', 'H', 'M', 'u', 'P', '8975', '2523']

3599FC448165852481G79514967921721796337