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: 19, 21, ['c', 'B', 'P', '7319', 'G', '2695', 'T', 'L', 'v', '441', 'B', 'E', '4409', '6351', '1833', 'e', 'V', 'h', 'W', 'm', '3409', 'l', 'u', 'F', '5939', '2469']

Wm3409