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: 7, 8, ['6921', '3459', '5521', '6215', 'r', '8397', 'R', '8499', '6683', '6595', '8315', '965', '3055']

Answer: R8499


Question: 2, 18, ['6685', 'g', 't', 'f', '2203', 'F', '577', '961', 'Y', '2013', 'C', '899', '9825', 'd', '9741', 'P', 'u', 'b', 'P', 'V', 's', 'x', 'p', '8489', '2553', '123', 'A', '8371']

Answer: gtf2203F577961Y2013C8999825d9741Pub


Question: 9, 27, ['7877', 'e', 'H', 'X', '9199', 't', '4345', 'b', '9297', 'V', '9061', '6207', 'w', '9383', 'e', 'm', 'p', 't', 'J', 'f', 'i', 'p', 'D', 'v', '7307', '5547', 'C', 'H', 'j']

Answer:
9297V90616207w9383emptJfipDv73075547C