Definition: In this task you will be given a list of integers. You should only return an integer if the first digit is the same as the last digit in the number. If an integer has a single digit, then it should be returned. If there are no integers that start and end with the same digit then an empty list ("[]") should be returned.
Input: [-813, -630, -154, 546, 73, 481, 723, -909, -506, 395, 587, -434, 79, -327, 371, -324, -748, -224, 615, 589]

[-909, -434]