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: 20, 24, ['5075', '9337', 'l', 'J', 'r', '1947', 'r', '673', '9611', '3609', 'x', 'B', 'F', '6635', '9403', 'b', 'b', 'y', '6121', '5725', '5773', 'b', '6173', 'r', 'o', '3711', '1431']

57255773b6173r