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: 7, 17, ['585', '2781', '2379', 'p', 'Q', 'Q', 'm', '9579', 'D', '989', '2351', 'G', '1737', 'w', '6601', 'c', '5687']

SOLUTION: m9579D9892351G1737w6601c5687

PROBLEM: 3, 4, ['l', '2121', '2511', '383', '9105']

SOLUTION: 2511383

PROBLEM: 7, 10, ['3633', 'B', '6697', '1967', '5649', '2739', '6139', '7423', '1731', 'P', '6993', '9665', 'l', 'n', 'h', 't', 'A', '1919', 'X', '9987', '2401', '1965']

SOLUTION:
613974231731P