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: [-469, 242, -544, 60, 45, 308, -992, 314, -136, -52, 360, 121, 542, 480, -510]

[242, 121]