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: 11, 15, ['r', 'O', '3383', 'A', 'd', '1239', '7999', '3041', '27', '5887', 'm', 'B', 'D', '1077', 'T', '8641', '1703', '5019']

mBD1077T