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.
Input: 5, 15, ['8079', '8419', 'm', '3237', 'Q', '275', '529', 'z', '6645', '9953', 'k', 'j', '7661', '8957', '8403', '3393', 'b', 'S']

Q275529z66459953kj766189578403