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: [42, -709, -88, -900, 889, -322, 636, 660, -323, 576, -476, 627, -177, -81, -772, 816, 499, -21, 50, -312, 720, -525]

[-88, 636, -323, -525]