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: 4, 22, ['i', 'Y', 'D', 'I', '7775', '7615', '3411', '6273', '2707', '1501', '2947', 'O', 'E', '2715', 'T', '4975', '4001', 'H', '689', '2465', 'I', '4139']

SOLUTION: I7775761534116273270715012947OE2715T49754001H6892465I4139

PROBLEM: 9, 13, ['1021', '3241', 'n', 's', '2629', '3551', '2853', '5549', '485', '9195', '3175', '6445', 'D', '2839']

SOLUTION: 485919531756445D

PROBLEM: 2, 11, ['E', 'i', 'Q', '3143', '9571', 'Z', '681', 'O', 'y', 'u', '9447', '3401', 'O']

SOLUTION:
iQ31439571Z681Oyu9447