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: 21, 23, ['l', 'h', 'O', '6943', '5749', '6359', 'V', 'a', 'I', 'V', 'y', 'x', '8447', '5809', '399', 'g', 'o', 'e', 'N', 'M', '2065', 'q', '3425', '6629']

2065q3425