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, 14, ['H', 'E', '8779', 'q', 'C', 'L', '8411', 'g', 'b', 'G', '1567', 'g', 'a', '9753', 'Z', 'm', 'E', '8431', '3353', 'W', 'B', 'n']

HE8779qCL8411gbG1567ga9753