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: 7, 14, ['4631', 'D', 'C', '345', '3821', 'g', 'h', 'X', '5865', 'X', '9667', '5343', 'd', '6239']

hX5865X96675343d6239