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]: 6, 15, ['2129', 'm', 'W', '4213', '7813', 'k', 'w', '5781', 'I', 'V', '3351', 'H', 'x', 'b', 'n', 't', 'F', 'z', '9747']
[A]: kw5781IV3351Hxbn


[Q]: 3, 4, ['l', '2121', '2511', '383', '9105']
[A]: 2511383


[Q]: 6, 7, ['31', 'd', '6367', 'd', '9805', '8473', 'V']
[A]:
8473V