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: 3, 11, ['f', 'J', 'W', 'F', '8035', 'F', '2459', 'b', 'F', '7187', '2831', '2175', '8461']

WF8035F2459bF71872831