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: 17, 23, ['a', '1647', '2901', 'p', 'V', 'X', 'T', 'v', 'j', '8157', 'a', '8789', 'X', '9927', 'W', 'R', 'q', '5439', 'm', '9677', 'q', 'G', '7971', 'N', '2749']

q5439m9677qG7971