TASK DEFINITION: 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.
PROBLEM: 8, 17, ['7273', 'T', 'O', '2467', '67', '8779', 'n', 'J', 'C', '7989', 'n', 'n', '6841', '5229', 'B', 's', '2247', 'P']

SOLUTION: JC7989nn68415229Bs2247

PROBLEM: 1, 2, ['f', '6835']

SOLUTION: f6835

PROBLEM: 4, 13, ['6481', '3263', '2779', 'e', 'n', 'h', '4385', 'U', 'l', 'a', 'l', '2707', 'D', '9987', 'q', '2233', '1275', 'Q', '25', '5549']

SOLUTION:
enh4385Ulal2707D