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: 7, 19, ['3061', 'L', '3247', 'O', '6707', '9525', 'W', '7397', 'n', 'w', 'r', 'D', '3943', 'k', '299', '8283', '3131', 'o', '7927', 'g']

W7397nwrD3943k29982833131o7927