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: 12, 24, ['1421', 'M', '1225', 'i', '905', '3423', 'W', '6041', '1681', '9889', 'v', '8507', 'z', 'I', '9045', 'l', 'v', 'v', 'U', '4795', '7995', 'D', 'L', '2935', 'm', 'H']

8507zI9045lvvU47957995DL2935