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, 13, ['m', 'm', 'g', '9385', 'o', '639', 'W', '1541', '579', 'W', '2615', '1331', '9109', 'M', '2459', 'O', 'w', 'L']

mg9385o639W1541579W261513319109