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: 11, 15, ['y', '9541', 'U', 'G', 'w', 'n', '7971', '6369', 'K', 'E', 'j', '7007', '4557', 'I', '9667']

j70074557I9667