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: 5, 7, ['L', 'L', '1691', '2221', 'W', '5023', '3925', 'p', '8279', '2293', 'h', '9061', 'r', '2863', 'p', 'U']

SOLUTION: W50233925

PROBLEM: 2, 3, ['1211', 'B', '3591', '9293', '1455', 'o', 'O', 'D', 'g', 'F', 'e']

SOLUTION: B3591

PROBLEM: 8, 27, ['5801', 'I', 'u', '6811', '9359', 'v', '1791', '9215', 'B', '3209', '5737', 'w', '4639', 'U', 'N', '3071', '4669', 'k', 'J', '4131', 'C', '9347', '3661', '6271', 't', '8403', 'B', '8987']

SOLUTION:
9215B32095737w4639UN30714669kJ4131C934736616271t8403B

