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, 25, ['C', 'x', 'A', '8395', 'y', '3587', 'G', '4791', 'I', 'r', 'c', '5235', 'c', '3', '8911', 'A', 'p', 'I', '6393', '4699', 'w', 'E', 'C', '4427', '4057', '2329']

SOLUTION: 3587G4791Irc5235c38911ApI63934699wEC44274057

PROBLEM: 12, 20, ['e', '103', '5289', 'u', 'J', 'Z', 'n', '3135', '9139', '3517', '8931', 'd', '3055', 'T', 'l', '7499', '4177', 'n', '7127', 'v', 'd', 'Z', '6119', 'S', 'Y', 'w', 's', '9765', '2861', 'P']

SOLUTION: d3055Tl74994177n7127v

PROBLEM: 3, 12, ['8127', '8893', 'u', 'a', '3305', 'Y', '9121', 'h', 'R', '4505', '7829', 'T', '6431', '717', '6317', '4431', '9801', '1485', 'y', '2915', 'i', 'o', '2073', '9427', '2391', '1919']

SOLUTION:
ua3305Y9121hR45057829T