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:
4, 5, ['W', 'i', 'p', 'N', '7371', '6915', 'R', 'B', 'I', 'o', '6435', 'y', '9889', '6989', '4923', '5001', '7201', 'x', 'm', 'J', '6405', '2107', '617', '6553', 's', 'z', 'z', 'r']
answer:
N7371


question:
2, 5, ['n', '9985', 'x', 'h', '2697', 'c']
answer:
9985xh2697


question:
1, 2, ['a', '4431', '5745', '5437']
answer:

a4431