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, 2, ['k', 'B', 'V', '9213', 'w', '4869', '525']
[A]: B


[Q]: 10, 11, ['g', 'H', 'O', 'y', 'd', 'U', 'K', 'I', '2231', '6271', 'U']
[A]: 6271U


[Q]: 12, 21, ['a', '3823', '6383', 'p', 'o', 'W', 'g', 'n', 'W', '8579', 'G', 'W', '6951', '237', '9261', 'W', 'B', '5285', '379', '5797', 'h', 'J', '5107', '5565', 'r', '8209', 'x', 'f', '3309', '6023']
[A]:
W69512379261WB52853795797h