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: 1, 2, ['663', '6503']

Answer: 6636503


Question: 2, 3, ['G', '3677', 'c', 'f', 'v', '8669', '2971', 'N', 'e', 'C', 'x', 'C', 'm', 't', '4103', 'L', '6289']

Answer: 3677c


Question: 15, 19, ['7883', 'O', 'v', 'H', '4401', '6455', 'h', 'a', '9903', '667', 'J', 'H', '6495', '395', '2171', 'w', 'S', 'B', '8473', '399', 'h', 'Y', 'U', '4657', 'R', '2765', 'j', '4381', 'z', '6567']

Answer:
2171wSB8473