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: 15, 15, ['Z', '5299', 'R', '9055', 't', '9469', 'h', '6207', '2351', '9111', 't', 'z', 'e', 'I', 'a', 't', '4617', '9353', '5071', '3115']

a