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: [-399, -126, 481, 278, -237, 86, 353, -525, -570, 899, -691, -747, 169, -171, -439, -460, -947, -786, -396]

[353, -525, -747, -171]