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, 7, ['2251', 'W', 'O', '9447', '6965', '4345', '8441', '3935', 'q', '4509', 'e', '6207', '6853', 'B', 'g', 'm', 'g', 'c']

2251WO9447696543458441