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: [-7, -101, 475, 647, 244, 809, -612, 143, 642, -316, -261, 896, 263, -440, 738, -816, 550, 477, -326, 511, -878]

[-7, -101, -878]