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: 2, 13, ['9651', 'r', '6965', 'L', 'J', 'V', 'Z', 'D', '1761', 'n', '3489', 'h', 'L', '1345', '3851', 'J', '4181', '8557', 'c']

Answer: r6965LJVZD1761n3489hL


Question: 7, 7, ['f', 'L', 'o', 'j', '9517', '5357', 'q', '2129', '1923', '4043']

Answer: q


Question: 2, 12, ['1121', 'K', 'F', '5051', '7133', '7427', 't', 'x', 'L', 'Q', '1849', '3533']

Answer:
KF505171337427txLQ18493533