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, ['2113', 'B', 'Y', 'i', '1123', 'H', '8593', 'y', 'b', '2319', '5525', 's', 'b', '2331', '1405', 'R', '2979', '3577', '2713', '9015', 'y', '7201', '8713', '1647', '9443', 's']

SOLUTION: yb23195525sb23311405R2979

PROBLEM: 10, 15, ['w', '5009', 'z', '1847', 'g', '8681', '9477', 'j', '8799', '5511', '9667', '8113', 'O', 'p', '6473', 'n', 'g', 'w', '4973', '7137', '6733', '3201', '9589', '5783', 'a', '7711', 'L', 'Q']

SOLUTION: 551196678113Op6473

PROBLEM: 4, 7, ['2627', '9781', '9347', '6933', '1187', 'E', 'D', 'i', 'q']

SOLUTION:
69331187ED