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: 18, 21, ['k', 'p', 'k', '115', '5813', '4665', '6773', '9965', 'F', '8533', 'c', '8893', 't', '7853', 'g', 't', '1889', 'd', '5063', '279', '9911', 'f', '95', '2895', 'R', '7785', '9179', 'g']

Answer: d50632799911


Question: 4, 7, ['h', '1133', 'n', 'Y', 'X', 'z', 'l']

Answer: YXzl


Question: 6, 7, ['8807', 'C', '7753', 'P', '9897', '1029', '6443', 'k', 'y', 'b']

Answer:
10296443