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: 19, 22, ['7703', '7357', '5135', '7591', '4279', '1403', '6675', '5855', 'i', '3281', 'w', 'f', 'N', 'r', '3507', '5373', 'R', '7783', '215', '8759', 'A', 'P']

SOLUTION: 2158759AP

PROBLEM: 2, 4, ['I', 's', 'd', '7253', '4377', '691', '4419']

SOLUTION: sd7253

PROBLEM: 15, 16, ['477', 'w', '3757', '153', 'F', '8237', 'T', 'F', '6691', '4859', '4421', 'r', 'U', 'O', 'e', '3579', '589', 's', 'Q', 'h', '9889', '5355']

SOLUTION:
e3579