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: [-444, -225, -267, -450, 338, 613, 806, 121, -84, -259, -472, 711, 932, 493, 279, 317, -229, -667]

[-444, 121]