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: [-994, -311, 678, -111, -935, 959, 319, 293, -653, -261, 639, -847, 847, 663, 100, -492, -779, 646, 594, 637, 495, -522]

[-111, 959, 646]