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: 3, 19, ['z', '9531', 'a', '8753', '9393', '5149', 'N', 'w', '6565', 'u', '1911', 'M', 'M', '9209', '7507', '5303', 'Z', '2889', '3717']

a875393935149Nw6565u1911MM920975075303Z28893717