instruction:
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.
question:
2, 2, ['7147', 'T', '8623', '4399', '8963', 'B', 'r', 'x', 'F', 'L', '5201']
answer:
T

question:
5, 20, ['1289', 'z', '8037', 'g', '197', 'D', '2689', 'Z', '2795', '6727', 'f', '5913', 'j', '8043', '3365', 'n', 'L', 'g', 'v', '453', '413', '8101', 'u', 'A', '6691', 'y', 'i', '8459', '4127', 'X']
answer:
197D2689Z27956727f5913j80433365nLgv453

question:
11, 18, ['7647', '3073', '793', 'Z', '135', 'n', 'H', '8405', '8643', '7303', 'l', '7761', '5585', 'e', '8799', '1393', '9135', 'L', '9427', '8765', 'Q', '7895', 'E', '5251', '7705', 'c', '271', 'o']
answer:
l77615585e879913939135L