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: [-535, -571, 217, 99, 477, 936, 15, 340, -876, 357, 250, 174, 733, 615, 808, -318, 288, 42, 600, -551, 909, 469, 993, 356]

[-535, 99, 808, 909]