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: 1, 2, ['7161', '3547', 'u']

Answer: 71613547


Question: 2, 15, ['y', '5591', '6581', '7619', '4615', 'S', '5113', '3245', 'q', 'U', '4549', 'v', 'q', '1983', 'b', '3921']

Answer: 5591658176194615S51133245qU4549vq1983b


Question: 1, 9, ['k', 'T', 'm', 'f', 'R', '8943', '3737', 'l', '1461']

Answer:
kTmfR89433737l1461