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:
9, 13, ['5313', '2577', 'H', '3551', 'B', '5755', '7207', '2391', '5541', '8869', '5837', 'd', '1953', 'd', '9751', '5849']
answer:
554188695837d1953


question:
6, 6, ['6237', '5511', '7211', '1509', '7331', '9547']
answer:
9547


question:
5, 13, ['9669', '7783', 'M', 'Q', 'U', '3521', '9305', 'X', 'd', '7401', '4845', '9237', 'P', 'o', 'O']
answer:

U35219305Xd740148459237P