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: 2, 4, ['2133', '7673', 'r', '6647', '899']

SOLUTION: 7673r6647

PROBLEM: 2, 12, ['7527', '1053', 'l', 'm', 'x', 'C', '2847', 'B', 'm', '9413', 'k', 'N']

SOLUTION: 1053lmxC2847Bm9413kN

PROBLEM: 7, 11, ['x', 'J', 'T', 'P', '687', 'S', '5433', '767', 'U', '5181', '6167']

SOLUTION:
5433767U51816167