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, 8, ['P', '4623', 'K', 'q', '8137', '8243', '721', '3211', 'E', '397', 'J', 'j', '3493', 'T']

Kq813782437213211