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, 10, ['8633', 'Q', 'h', 'r', '6939', 'U', 'F', '9823', '7707', 'a', 'C', 'o', '5621', 'V', 'S', 'f', 'u', '3607', '3883', 'U', '8939']

SOLUTION: 7707a

PROBLEM: 1, 2, ['7161', '3547', 'u']

SOLUTION: 71613547

PROBLEM: 7, 25, ['7443', 'm', '4015', 'p', '4757', '8347', 'B', '9393', '7053', 'M', '581', 'I', '5883', '1405', '5583', '6863', '3329', 'w', '4853', 'W', '1213', '6583', '6017', 'M', 'L']

SOLUTION:
B93937053M581I58831405558368633329w4853W121365836017ML