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: 3, 23, ['N', '1833', 'B', '5201', '7027', 'U', '581', 'y', '4939', '9907', 'w', 'o', 's', 'h', '9693', 'a', 'i', '8993', 'f', '1619', '6257', '6279', 'W', '3037', 'E']

Answer: B52017027U581y49399907wosh9693ai8993f161962576279W


Question: 6, 8, ['3829', 'e', '1241', 'C', 'J', '845', 'u', '1815', 'C', '6909', '3849', '1749', '4017', '9691', '9773', 'V', '7711', '8497', '797', '355', '27']

Answer: 845u1815


Question: 4, 18, ['7881', 'X', 'P', 'S', 'b', 'u', 'W', '5181', '8535', 'U', 'D', '2377', '6055', 'M', 'Z', '5867', '4973', '7759', '5275', 'L', 'j', 'm', '7259', 'U']

Answer:
SbuW51818535UD23776055MZ586749737759