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, 9, ['m', 'b', 'd', '6929', '6769', 'd', 'd', '8373', 'E', '5839', '5911', '8321', 'G', '9149', 'N', 'm', 'Q', 'I']

6769dd8373E