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: 18, 19, ['v', 'g', 'j', 'A', '6515', 'Y', 'v', '6383', 'D', 'o', '7649', 'w', 'p', '2443', 'n', '6323', 'b', '391', '5389', 'A', '5531', '6775', '6247', 'D']

3915389