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.
[961, 301, 557, -310, -246, 845, -988, 723, -657, 300, 621, 450, -644, 450, -720, -596, -499, 251, -568]