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.
[644, -269, 831, -498, -443, -112, 471, 575, 619, -363, 566, 684, -783, 29, 316, -597, -808, -269, -15, 237, -568]