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: [-411, 820, 40, -568, -672, 404, 163, 581, 319, 994, -308, 668, 833, 137, -545, 11, -413, -440, 990, 828, -268]

[404, -545, 11, 828]