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: [397, -456, 908, -729, 589, -51, 843, -979, -304, -659, 6, -319, 716, 143, 63, 2, -939]

[-979, 6, 2, -939]