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: 2, 9, ['B', '4547', '2373', '7769', '4027', 'A', 'M', 'j', 'y', 'g', 's', '449', 'r']

4547237377694027AMjy