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, 17, ['l', '4279', 'O', '8503', '8669', 'f', 'U', 'I', 'A', 'q', 'q', '6735', 'S', 't', '7713', '8889', 'F', '8879', 'g', '4247', '9465', 'z']

Answer: 4279O85038669fUIAqq6735St77138889F


Question: 1, 2, ['B', 'N', 'X', '393', 'F']

Answer: BN


Question: 11, 12, ['n', 'V', '1579', '7755', 'G', 'K', '3665', '9467', 'L', 'v', '3857', 'y']

Answer:
3857y