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, ['F', '881', '569', '359', 'f', '657', '9993', 'Y', '7843', 'l', '1849', 'G', 'l', 'x', '7309', '2513', '1139', '7705', '131', '4925', 'T', 'P', 'G', 'f']

7843l1849Glx7309251311397705