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, 22, ['9761', 'b', 'R', '2363', 'W', '5059', 'U', 'm', '8877', 'W', 'w', 'G', '6255', '1359', 'f', 'c', '3225', 'm', 'v', 'o', 'P', 'p', 'M']
answer:
W5059Um8877WwG62551359fc3225mvoPp


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:
3, 5, ['5003', 'Y', '3887', '5759', '2719', '5989', '2787', '9861', 'p', '9047']
answer:

388757592719