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: 2, 5, ['3823', 'P', '9615', '6979', '5511', '7483', '4315', '6363', 'u']

SOLUTION: P961569795511

PROBLEM: 7, 8, ['9045', 'C', 'V', 'G', 'Q', 'I', '9821', 'D']

SOLUTION: 9821D

PROBLEM: 2, 2, ['2929', 'x', '5731', '3941']

SOLUTION:
x