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, ['5237', 'X', '1691', '5405']
[A]: X16915405


[Q]: 4, 27, ['u', '7157', 's', 'H', '9231', '5861', '6433', '1059', '887', 'm', '9571', '2873', '2305', 'y', '1171', '3205', '321', '3299', '2217', 'I', '701', '8243', 'b', '627', '2531', '4151', 'B', 'G']
[A]: H9231586164331059887m957128732305y1171320532132992217I7018243b62725314151B


[Q]: 16, 20, ['6923', '8559', 'Z', 'L', 'h', '8985', '6845', 'M', 'c', 'p', '9313', 'b', 'g', 'j', '7633', 'B', '2781', '6321', 'u', 'N', '7147', 'C', '2171', '1777', 'O', 'c', '2249', '9017', 'g']
[A]:
B27816321uN