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, 23, ['6307', 'p', 's', '2271', 'G', 'L', 'b', 'A', 'G', 'v', 'w', 'Y', 'm', 'J', 'g', '6387', 'X', 'H', '6071', 'A', '1599', '2863', 'n', '359']

SOLUTION: GvwYmJg6387XH6071A15992863n

PROBLEM: 16, 21, ['O', '951', '1431', 'c', '7377', '623', 'z', '6413', '6679', 'q', 'H', '8827', 'w', 'K', 'A', 's', 'f', 'S', 'i', 'j', '1941']

SOLUTION: sfSij1941

PROBLEM: 20, 22, ['2891', '5059', '6219', 'v', 'd', 'J', 'Q', 'i', '6377', 'l', '2077', '2699', 'a', 'v', '7399', 'j', '7833', '2959', 'g', '8755', 'k', 'S', 'I', 'M', '1115']

SOLUTION:
8755kS