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]: 2, 4, ['2133', '7673', 'r', '6647', '899']
[A]: 7673r6647


[Q]: 3, 23, ['C', 's', 'j', 'P', 'O', '6289', 'U', '1031', 'c', 'b', '8547', 'b', '9001', '7117', '7107', 'g', '6091', '7525', '7209', '2819', 'f', 'z', '4449', 'N', '4849']
[A]: jPO6289U1031cb8547b900171177107g6091752572092819fz4449


[Q]: 7, 18, ['751', 'B', '9675', '4995', '4731', '3955', '1669', '3399', '8845', 'Q', '7615', '419', '4721', 'P', '8545', '5079', 'N', '6633', '8379', 'E', 'w']
[A]:
166933998845Q76154194721P85455079N6633