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, 8, ['G', 'f', 'x', 'd', '723', 's', 'J', '5709', 'Q', 'K', '4341', '3731', '3705', 'g', 'c', 'u', 'j', '861', '3793', '8695']
answer:
d723sJ5709


question:
1, 9, ['5253', 'z', '3387', 'd', 'S', '6091', '1675', '9495', 'X', 'y']
answer:
5253z3387dS609116759495X


question:
4, 5, ['R', '2453', '6703', 'R', 'o', 'I', '4087', 'A', 'x', 's', 'j', 'G', 'C', '5039', '1487', '4929', '7619', '1999', 'M', 'z', '2445', 'N', '373', 'J', 'u', 's']
answer:

Ro