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: 7, 8, ['8843', '5431', 'X', 'g', '9661', 'x', '4869', '7651']

SOLUTION: 48697651

PROBLEM: 26, 27, ['9819', 'M', 'z', '9977', 'U', '5651', 't', '453', 'D', 'o', 'l', 'T', '779', '2341', 'N', 'x', '2179', 'B', 'J', 'X', 'X', 'N', '5371', '1293', 't', 'j', '3971']

SOLUTION: j3971

PROBLEM: 11, 18, ['2981', '7071', 'c', '923', 'q', 'l', 'k', 'X', '783', 'z', 'T', '959', '9641', '971', '3055', 'N', '8821', '9881']

SOLUTION:
T95996419713055N88219881