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, 17, ['9989', '4349', '1189', '5705', '857', '9615', '2531', '139', '4893', '8033', '1501', '6225', '6695', '5377', 'q', 'R', 'c', 'n', 'H', 'g', '3203', '1857']

2531139489380331501622566955377qRc