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: 4, 8, ['3559', 'm', '7169', '8961', '3463', 'a', '1257', '1837', 'S']

89613463a12571837