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, 10, ['3699', '5663', '8189', '3079', '1331', 'a', 's', 'G', '9939', '9649', 'P', 'V', '7973', 'L', '511', '8999']

5663818930791331asG99399649