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: 2, 17, ['5049', 'L', 'l', 'b', '5473', '9143', 'd', 'l', '4337', 'e', 'G', '5631', '7089', '2629', '3987', '8197', 'c', '8111', '1897', 'b', '1519', '2185', '8841', '7507']

Answer: Llb54739143dl4337eG56317089262939878197c


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, 12, ['9481', 'O', '2985', '8671', 'H', 'U', 'j', 'L', '8827', '9363', 'M', 'K']

Answer:
8671HUjL88279363MK