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, 3, ['A', '2469', 'L']
answer:
L


question:
3, 3, ['1635', '4583', '2497']
answer:
2497


question:
7, 8, ['8843', '5431', 'X', 'g', '9661', 'x', '4869', '7651']
answer:

48697651