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.

[Q]: 1, 2, ['B', 'N', 'X', '393', 'F']
[A]: BN


[Q]: 7, 17, ['9105', '7319', 'J', 'Y', 'L', '495', 'x', '9123', 'K', 'i', 'W', '4619', '9285', '1107', '1385', 'm', '7909', 'C', 'o', '6953']
[A]: x9123KiW4619928511071385m7909


[Q]: 19, 23, ['7749', 'H', 'y', '7905', '8567', '3819', '2839', '9145', '4915', 'M', 'U', '7891', '5601', '7109', 'x', 'z', '295', '8709', 'G', 'L', '1297', 'W', '6037', '2479', 'F', '5493', 'Q']
[A]:
GL1297W6037