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: 7, 17, ['k', 'Y', '2401', 'h', 'W', 'p', '5567', '2509', '8321', '1565', 'L', 'E', 'd', '195', '2709', 'x', 'W', '465', '4991', '6819']

5567250983211565LEd1952709xW