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: 1, 10, ['f', 'C', '5879', '6395', '8353', 's', 'T', 'u', '9245', '6309', 'N', 'F', '259', '993']

SOLUTION: fC587963958353sTu92456309

PROBLEM: 3, 3, ['1635', '4583', '2497']

SOLUTION: 2497

PROBLEM: 7, 15, ['5927', '8173', 'J', '5133', 'z', 'D', '5887', '5185', '8513', 'B', 'N', '4189', '8297', '355', '4677']

SOLUTION:
588751858513BN418982973554677