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: 9, 18, ['9383', '6747', 'p', 't', 'h', '5715', '7539', 'K', '8509', 'u', '6155', 's', '3965', 'p', '8405', 's', '7743', '3869', 'V', 'w', 'd', 'B', 'G', 'b', 'F', '9913', 'b', '3355', 'c']

8509u6155s3965p8405s77433869