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.
[-6, 229, -678, -709, 707, 291, -669, 474, -766, 816, 225, 788, -791, -71, 464, 215, -614, -525, 116, -321, -906]