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, 22, ['W', 'U', 'F', '7071', 'D', 'G', 'U', 'q', 'C', 'b', '5725', 'Q', '1463', 'q', 'm', '2495', 'x', '9869', '7891', 'T', 'q', '9513', '9889', '8073', '7905', '5271', '7075', '7933', 'x']

7071DGUqCb5725Q1463qm2495x98697891Tq9513