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: 12, 17, ['d', '5563', 'F', '3413', '7779', 'c', '5087', 'Y', '2703', '5531', 'Q', '8851', 'z', '4719', 'l', 'P', '2283', 'H', '2983']

SOLUTION: 8851z4719lP2283

PROBLEM: 5, 7, ['9919', '2873', 'M', '5483', '5275', 'p', 'p', 'T', 'W', 'q', 'p']

SOLUTION:
5275pp