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: [-655, 597, -666, 261, 687, 846, -537, 714, 851, 522, 474, -803, -611, -316, -267, 0, -442, -328, -868, 808, -588]

[-666, 474, 0, -868, 808]