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.
--------
Question: 10, 20, ['L', 'Z', 'D', '7923', 'e', '9243', 'N', 'e', 'a', '5995', 'h', '2323', 'Q', '4075', '8675', '8713', 'i', 'k', 'B', 'm']

Answer: 5995h2323Q407586758713ikBm


Question: 4, 4, ['Y', 'f', '3041', 'O', '9579', '1187']

Answer: O


Question: 2, 29, ['l', 'r', '1637', '8995', 'T', 'B', '97', '1671', 'I', '4543', '349', '7777', 'Z', '6761', '6981', 'y', 'E', '6859', 'O', 'X', '8741', 'b', '4783', 'X', '1497', 'c', '2537', 'W', 'Y']

Answer:
r16378995TB971671I45433497777Z67616981yE6859OX8741b4783X1497c2537WY