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: 1, 12, ['1567', '3125', 'm', 'd', 'z', '2317', '6689', '7841', 'c', '943', 'T', 'l']

15673125mdz231766897841c943Tl