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, 4, ['f', '9069', 'p', '8083', 'y', '39', '2037', '8215', '4539', 'x', '7433', '7171', 'Q', '4389', 'U', '3683', 'D']

9069p8083