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: 1, 1, ['W', '6149', 'B', 'w', 'd', 'o', '2069', '1509']

Answer: W


Question: 17, 18, ['7971', 'D', '2791', 'E', '5517', 'I', 'u', '9333', 'i', '1933', 'y', 'C', '1829', '8197', 'l', '5963', '4535', '5009', '4841', 'G', '8553', '1505']

Answer: 45355009


Question: 3, 3, ['R', 'i', '9411', 'j', 'U']

Answer:
9411