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: [-679, -206, 999, 702, -370, 813, 404, -428, 994, -244, -517, 231, -144, 820, 13, 555]

[999, 404, 555]