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, 22, ['k', '9273', 'W', '4185', '4251', '3085', '7455', 'n', '7557', '5363', '7551', 'x', '1147', 'Q', '577', 'Q', '4867', 'e', 'p', '3105', '7943', 'w', '4583', '8291']

7455n755753637551x1147Q577Q4867ep31057943w