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, ['2399', '1209', 'B', 'r', 'c', 'o', 'E', 'k', 'H', '7301', 'C', '7109', 'w', '1491', '1071', '7125', '4445', 'X', 'Q', 'c', '4565']

SOLUTION: Ek

PROBLEM: 7, 14, ['1339', '2011', '8693', '2157', 'C', '4887', '3449', 'a', 'V', '9889', '5223', '433', 'K', 'E', '4593', '8295', '9883', '6181', 'Q', '2371', 'O', '3815', 'M', 'n']

SOLUTION: 3449aV98895223433KE

PROBLEM: 4, 10, ['x', '6441', 'j', '9963', '4381', '493', 'M', 'V', '9209', '7833', '5569', 'u', '9505', 'p', 'X', '4595', 'b', '5781', '7251']

SOLUTION:
99634381493MV92097833