Definition: 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.
Input: [-441, -651, -227, -712, -674, 100, 278, 545, -681, 398, -305, 612, -188, 332, -191, 292, 646, -687, 926, 766, 271, -946, 890]

[545, -191, 292, 646]