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, 8, ['K', 'w', 'x', '9773', 'b', '1365', 'x', 'u', 'R', 'q', '8361', 'R', '6107', 'd', '7317']

wx9773b1365xu