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: 2, 13, ['A', '9145', 'g', '7309', 'G', '2111', '7735', 'b', '2707', '5325', 'h', '4521', '799']

9145g7309G21117735b27075325h4521799