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, 19, ['8173', '2629', '791', 'q', '4089', '6043', 'P', '9723', '5085', '8481', 's', '79', '8155', 'x', '867', 'p', '3923', '9215', 'N', 'O', 'Q']

s798155x867p39239215N