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: [-597, -672, -334, -771, -81, 606, 346, -781, 909, -679, 563, -6, -290, 477, 187, 970, -927, 366, 468, 360, 890]

[606, 909, -6]