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, 2, ['1011', 'd', '7535', 'w', '8647', 'K', 'i', 'i']

SOLUTION: d

PROBLEM: 4, 5, ['W', 'i', 'p', 'N', '7371', '6915', 'R', 'B', 'I', 'o', '6435', 'y', '9889', '6989', '4923', '5001', '7201', 'x', 'm', 'J', '6405', '2107', '617', '6553', 's', 'z', 'z', 'r']

SOLUTION: N7371

PROBLEM: 5, 8, ['8597', 'P', 'u', 'e', '3155', '6987', '2405', '8369', '6519', '5801', '8391']

SOLUTION:
3155698724058369