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, 23, ['L', '8191', '2177', '1157', '7059', '2721', '1279', 'D', '1365', '7331', 'Y', '1785', '7845', '8489', '569', '6241', 'G', 'e', '7339', '7059', '1965', 'k', 'n', 'R', '1331']

e733970591965kn