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: 6, 20, ['4769', '8075', 'N', '125', '5439', 'R', '4201', 'j', 'z', 'x', '3169', 'd', '1561', '7995', 'F', 'T', 'F', 'v', 'Z', '9517', 'e', 'I', '7765', 'o', '4659', 'N', '3963']

SOLUTION: R4201jzx3169d15617995FTFvZ9517

PROBLEM: 9, 11, ['m', '1761', '8597', 'c', '8553', '1821', '6351', '8039', 'E', '3893', 'E']

SOLUTION: E3893E

PROBLEM: 6, 16, ['r', '4837', '4661', 'Y', 'O', '8231', 'W', 'R', '265', 's', '79', 'I', 'v', '4681', 'U', '6819', 'Y', 'E']

SOLUTION:
8231WR265s79Iv4681U6819