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: 1, 15, ['6169', 'p', 'B', 'H', '61', 'R', '4189', '7675', '7745', 'M', '6419', 'A', 'O', 'v', 'C', 'a', 'e', 'C', 'U', 'H', 'O', '7023', '7281']

6169pBH61R418976757745M6419AOvC