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.
[798, 81, 930, -607, -21, 528, -271, 733, 888, 973, -331, -249, -426, 701, -470, 335, -604, 531, 319, -997]