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.
[703, 456, -331, 180, 51, -496, 816, -705, 829, -18, -981, 756, -559, -738, 877, -31]