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: 6, 16, ['e', '9963', '7417', '6115', '2025', '4281', '6323', '2397', 'a', 't', 'h', '4187', '5199', 'Q', '211', '3871', 'B', 'a', 'u', '4409', '4349', 'O', '1953', '9725']

428163232397ath41875199Q2113871