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, 7, ['h', '1133', 'n', 'Y', 'X', 'z', 'l']

Answer: YXzl


Question: 9, 16, ['6861', '3731', 'y', '3541', 'z', '6805', 's', 'o', '7945', '3489', 'T', 'H', 'E', '4587', '5613', '3901']

Answer:
79453489THE458756133901