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: [-685, 919, 52, 560, 520, 643, 455, 456, 992, 723, -357, -481, -872, -698, -279, 957, -999]

[919, -999]