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.
[139, -903, 290, -948, -522, -899, -929, 861, 944, -993, 669, -25, -584, 341, -835, -425, 647, 708]