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.
[678, -431, 730, 104, 419, 792, 227, -168, -696, 584, -583, -390, -994, -320, 468, -334, -622, -523, -718, 517, 455]