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: 4, 12, ['D', '7711', '8279', '4271', 'g', '3763', '9321', '8891', 'a', '7245', 'c', 'F', 'A']

4271g376393218891a7245cF