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: [-826, -713, -625, 687, 25, -184, 693, 555, -950, -553, -286, 769, 370, 101, 306, -128, 6, 429, -352, -921, 215, 951, -3]

[555, 101, 6, -3]