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, 3, ['407', 'S', '8215', '9067']
[A]: S8215


[Q]: 4, 18, ['r', 'W', '2683', '1451', 'b', '5295', '6037', 's', 'o', 'p', 'S', 'C', 'U', 'z', 'K', '6539', '4519', 'T', 'i', '4467']
[A]: 1451b52956037sopSCUzK65394519T


[Q]: 17, 19, ['5683', 'y', 'r', '4601', 'a', 't', 't', 'l', 'F', '227', '8869', 'J', 'X', 'a', '3967', 'm', 'j', '6669', '2221']
[A]:
j66692221