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: 9, 19, ['2139', '6849', 'b', '9459', 'v', 'h', 'i', '7977', 'q', 'Z', '7577', 'P', '9971', 'c', '567', 'J', '693', 'N', 'r']

SOLUTION: qZ7577P9971c567J693Nr

PROBLEM: 11, 13, ['4517', 'x', '9107', '4653', '9985', 'g', '1683', '4239', '5677', 'j', '4829', 'K', 's', 'c', '5429', '2307', 'H', 'B', '4275', '8477', '5635', '9273', 'r', 'l', 'U', '3203', '9711']

SOLUTION: 4829Ks

PROBLEM: 5, 7, ['c', 'O', 's', 'z', '9009', 'f', '2849', 'u', 'r']

SOLUTION:
9009f2849