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]: 19, 20, ['s', '2571', 'q', '2397', 'T', '3995', 'W', 'f', '7847', 'w', 'b', 'X', '5027', 'z', 'I', '9187', '2715', '9005', 'K', 'h', 'A']
[A]: Kh


[Q]: 10, 11, ['n', '8775', 'd', '9955', '2443', '7093', 'C', 'W', '3409', 'y', '7137', 'E', '6055', 'P', 'x', 'E', 'K', '2607', '1935', 'C', 'l', 'q', 'S']
[A]: y7137


[Q]: 7, 8, ['9045', 'C', 'V', 'G', 'Q', 'I', '9821', 'D']
[A]:
9821D