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: 1, 7, ['6925', '5419', 'b', '1297', '4309', '8919', 'H', 'h', 'P', 'q', '2907', '5573', 'G', '4767', 'U', 'R', '6717', 's', 'I', '4477']

SOLUTION: 69255419b129743098919H

PROBLEM: 7, 7, ['Y', 't', '5729', 'R', 'v', '9237', '5331', 'r', 'J']

SOLUTION: 5331

PROBLEM: 4, 14, ['e', '967', 'p', 'z', 'p', '4281', '7063', 'N', '5929', '5701', 'Y', 'C', 'q', '8445', 'K', '4793', '6365', '6345']

SOLUTION:
zp42817063N59295701YCq8445

