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, 12, ['9903', '2795', '3801', '673', '7833', '7793', '3075', '9213', 'G', 'y', 'X', '213', '3553', '8123', '2233', '2691', 'y']

6737833779330759213GyX213