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: 9, 9, ['3149', '8605', '3995', 'R', '4511', 'W', '9457', 'P', '8439', '1467', 'Y', '7429', 'D', 'R', '4749', '3351', '2555', 'Q', 'F', 'u', '6815', 'B', '4005', '8113', 'A']

SOLUTION: 8439

PROBLEM: 12, 19, ['p', '8105', 'c', '8759', '813', 'L', '1451', 'E', 'M', 'N', 'n', '633', '2401', 'p', 'B', 'H', 'G', '2577', 'F', '1045', '8929', '9383']

SOLUTION: 6332401pBHG2577F

PROBLEM: 9, 10, ['d', 'r', '1231', '6299', 'P', 'p', '5749', '539', 'T', 'm', 'y', '9299', '6755', '4153', '2265', 'F', 'a', '7601', 'W']

SOLUTION:
Tm