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:
3, 10, ['4033', '1347', 'F', 'h', '8713', '2231', '7631', '3657', '129', '2141', '4691', '2259', 's', 'j', '7649', 'h', 'd']
answer:
Fh87132231763136571292141


question:
19, 20, ['s', '2571', 'q', '2397', 'T', '3995', 'W', 'f', '7847', 'w', 'b', 'X', '5027', 'z', 'I', '9187', '2715', '9005', 'K', 'h', 'A']
answer:
Kh


question:
2, 3, ['i', 'R', 'I', '695', 'x']
answer:

RI