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: [508, 544, -925, -877, -591, -257, -13, -377, 723, -135, -448, 443, 840, 999, 74, 794, -900, 965, -712]

[999]