instruction:
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:
5, 20, ['1289', 'z', '8037', 'g', '197', 'D', '2689', 'Z', '2795', '6727', 'f', '5913', 'j', '8043', '3365', 'n', 'L', 'g', 'v', '453', '413', '8101', 'u', 'A', '6691', 'y', 'i', '8459', '4127', 'X']
answer:
197D2689Z27956727f5913j80433365nLgv453


question:
8, 17, ['7273', 'T', 'O', '2467', '67', '8779', 'n', 'J', 'C', '7989', 'n', 'n', '6841', '5229', 'B', 's', '2247', 'P']
answer:
JC7989nn68415229Bs2247


question:
6, 11, ['1555', '7939', '2129', 'J', '8987', 'V', 'H', 'G', '3825', '6427', '1803', '9275', 'D', 'R', '4157', 'H', '5473', '5121', 'I', 'k', '7459']
answer:

VHG382564271803