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: 3, 21, ['d', 'A', 'r', '2297', '1329', 'N', 'd', '6503', '7633', 'w', 'x', 'w', 'O', '9929', '3055', 'F', 'l', 'c', '9271', '415', 'B', '4485', 'u', 'm', 'r', 'e', '1917']

r22971329Nd65037633wxwO99293055Flc9271415B