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: 1, 10, ['k', 'q', '3975', '9247', '9747', '9039', 'l', 'G', 'L', 'U', 'n', '6619', '33']

kq3975924797479039lGLU