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: 18, 21, ['4595', 'm', '5835', 'm', 'b', 'J', '9405', 'B', '7237', 'J', 'B', '8175', '9205', 'W', '6285', 'D', 'b', 'Y', '3227', '4937', '7967', 'o', '5687', '1285', 'm', '1377']

Y322749377967