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: 10, 15, ['s', '4221', '1373', 'S', 'N', 'u', 'S', 'c', '7911', 'm', '5637', '3643', 'a', 't', '5945', 'G', '405', '2885', 'E', '4673']

m56373643at5945