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, 11, ['5721', '1643', '6551', '7749', 'a', '7569', 'g', '847', '6151', 'a', 'B', '7515', 'u', '375', 'j', '6149', 'X', 'b', '4497']

Answer: 65517749a7569g8476151aB


Question: 2, 6, ['G', '2753', '9093', '6789', 'p', 'J', 'X']

Answer: 275390936789pJ


Question: 5, 16, ['4681', 'c', '3877', 'b', 'O', '5159', '8997', 'n', 'b', 'e', 'X', '4211', 'J', 'd', '3905', 'a', 'F', 'm', 'I']

Answer:
O51598997nbeX4211Jd3905a