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: [165, -493, 94, 999, -95, -16, -80, -971, -844, 515, -129, 990, -515, -436, -184, 336, 533]

[999, 515, -515]