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: 2, 20, ['233', '8949', 'w', 'T', 'j', '3025', 'O', '6711', 'o', 'w', '6011', 'c', 'q', '8365', '385', 'I', 'Q', '2621', 'H', 'F', '6165']

8949wTj3025O6711ow6011cq8365385IQ2621HF