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: [-6, -996, 9, -691, -200, 977, -46, 872, 504, -174, 247, 932, 720, -393, -88, 270, -431, -139, -638, 972, 212, 573, -707]

[-6, 9, -393, -88, 212, -707]